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TCVN 7614-4-2007 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 4 Code of practice for design handling and installation《气体燃料供应.pdf 25

TCVN 7614-4-2007 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 4 Code of practice for design handling and installation《气体燃料供应.pdfTCVN 7614-4-2007 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 4 Code of practice for design handling and installation《气体燃料供应.pdf

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TCVN 7614-3-2007 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 3 Fittings and saddles for a maximum operating pressure of 1 b.pdf 30

TCVN 7614-3-2007 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 3 Fittings and saddles for a maximum operating pressure of 1 b.pdfTCVN 7614-3-2007 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 3 Fittings and saddles for a maximum operating pressure of 1 b.pdf

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TCVN 7614-2-2007 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 2 Fittings for a maximum operating pressure of 200 mbar (20 kP.pdf 24

TCVN 7614-2-2007 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 2 Fittings for a maximum operating pressure of 200 mbar (20 kP.pdfTCVN 7614-2-2007 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 2 Fittings for a maximum operating pressure of 200 mbar (20 kP.pdf

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TCVN 7443-2004 Radiation protection Sealed radioactive sources Leakage test methods《辐射防护 密封放射源 泄漏试验法》.pdf 21

TCVN 7443-2004 Radiation protection Sealed radioactive sources Leakage test methods《辐射防护 密封放射源 泄漏试验法》.pdfTCVN 7443-2004 Radiation protection Sealed radioactive sources Leakage test methods《辐射防护 密封放射源 泄漏试验法》.pdf

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TCVN 7442-2004 Radiation protection Unsealed radioactive substances Identification and certification《辐射防护 非密封放射性物质 识别和认证》.pdf 8

TCVN 7442-2004 Radiation protection Unsealed radioactive substances Identification and certification《辐射防护 非密封放射性物质 识别和认证》.pdfTCVN 7442-2004 Radiation protection Unsealed radioactive substances Identification and certification《辐射防护 非密封放射性物质 识别和认证》.pdf

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TCVN 7441-2004 Liquefied petroleum gas (LPG) compounds at consumption ends Requirements in design installation and operation《消耗端液化石油气(LPG)化合物 设计 安装和操作要求》.pdf 43

TCVN 7441-2004 Liquefied petroleum gas (LPG) compounds at consumption ends Requirements in design installation and operation《消耗端液化石油气(LPG)化合物 设计 安装和操作要求》.pdfTCVN 7441-2004 Liquefied petroleum gas (LPG) compounds at consumption ends Requirements in design installation and operation《消耗端液化石油气(LPG)化合物 设计 安装和操作要求》.pdf

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TCVN 7439-2004 Ergonomics Evaluation of thermal strain by physiological measurements《人类工效学 热应变的生理学测量评价》.pdf 28

TCVN 7439-2004 Ergonomics Evaluation of thermal strain by physiological measurements《人类工效学 热应变的生理学测量评价》.pdfTCVN 7439-2004 Ergonomics Evaluation of thermal strain by physiological measurements《人类工效学 热应变的生理学测量评价》.pdf

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TCVN 7438-2004 Ergonomics Moderate thermal environments Determination of the PMV and PPD indices and specification of the conditions for thermal comfort《人类工效学 适度的热环境 PMV和PPD指标的测定以及.pdf 35

TCVN 7438-2004 Ergonomics Moderate thermal environments Determination of the PMV and PPD indices and specification of the conditions for thermal comfort《人类工效学 适度的热环境 PMV和PPD指标的测定以及.pdfTCVN 7438-2004 Ergonomics Moderate thermal environments Determination of the PMV and PPD indices and specification of the conditions for thermal comfort《人类工效学 适度的热环境 PMV和PPD指标的测定以及.pdf

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TCVN 7247-2008 General standard for irradiated foods《辐射食品的通用标准》.pdf 9

TCVN 7247-2008 General standard for irradiated foods《辐射食品的通用标准》.pdfTCVN 7247-2008 General standard for irradiated foods《辐射食品的通用标准》.pdf

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TCVN 7246-2003 Health care solid waste incinerator Determination method of sulfur dioxides (SO2) concentration in fluegas《医疗用固体废物焚化炉 废气中二氧化硫(SO2)浓度的测定方法》.pdf 18

TCVN 7246-2003 Health care solid waste incinerator Determination method of sulfur dioxides (SO2) concentration in fluegas《医疗用固体废物焚化炉 废气中二氧化硫(SO2)浓度的测定方法》.pdfTCVN 7246-2003 Health care solid waste incinerator Determination method of sulfur dioxides (SO2) concentration in fluegas《医疗用固体废物焚化炉 废气中二氧化硫(SO2)浓度的测定方法》.pdf

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