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SIS SS IEC 529-1980 Classification of degrees of protection provided by enclosures《电气设备外壳防护等级》.pdf 16

SIS SS IEC 529-1980 Classification of degrees of protection provided by enclosures《电气设备外壳防护等级》.pdfSIS SS IEC 529-1980 Classification of degrees of protection provided by enclosures《电气设备外壳防护等级》.pdf

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SIS SS IEC 528-1984 Electronic measuring equipment - Expression ofperformance of air quality infra-red analyzers《电子测量设备，空气质量红外线分析器性能显示》.pdf 2

SIS SS IEC 528-1984 Electronic measuring equipment - Expression ofperformance of air quality infra-red analyzers《电子测量设备，空气质量红外线分析器性能显示》.pdfSIS SS IEC 528-1984 Electronic measuring equipment - Expression ofperformance of air quality infra-red analyzers《电子测量设备，空气质量红外线分析器性能显示》.pdf

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SIS SS IEC 527-1981 Nuclear instrumentation - Direct current amplifiers - Characteristics and test methods《核检测仪表 直流电放大器 特点及测试方法》.pdf 1

SIS SS IEC 527-1981 Nuclear instrumentation - Direct current amplifiers - Characteristics and test methods《核检测仪表 直流电放大器 特点及测试方法》.pdfSIS SS IEC 527-1981 Nuclear instrumentation - Direct current amplifiers - Characteristics and test methods《核检测仪表 直流电放大器 特点及测试方法》.pdf

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SIS SS CECC 31300-1982 Sectional specification Fixed mica dielectric d c capacitors《分规范 固定云母电介体直流电容器》.pdf 1

SIS SS CECC 31300-1982 Sectional specification Fixed mica dielectric d c capacitors《分规范 固定云母电介体直流电容器》.pdfSIS SS CECC 31300-1982 Sectional specification Fixed mica dielectric d c capacitors《分规范 固定云母电介体直流电容器》.pdf

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SIS SS CECC 31201-1982 Blank detail specification Fixed capacitors with metallized electrodes and polypropylene dielectric《空白详细规范 有金属电极和聚丙烯电介质的固定电容器》.pdf 1

SIS SS CECC 31201-1982 Blank detail specification Fixed capacitors with metallized electrodes and polypropylene dielectric《空白详细规范 有金属电极和聚丙烯电介质的固定电容器》.pdfSIS SS CECC 31201-1982 Blank detail specification Fixed capacitors with metallized electrodes and polypropylene dielectric《空白详细规范 有金属电极和聚丙烯电介质的固定电容器》.pdf

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SIS SS CECC 31200-1982 Sectional specification Fixed capacitors with metallized electrodes and polypropylene dielectric《分规范 有金属电极和聚丙烯电介质的固定电容器》.pdf 1

SIS SS CECC 31200-1982 Sectional specification Fixed capacitors with metallized electrodes and polypropylene dielectric《分规范 有金属电极和聚丙烯电介质的固定电容器》.pdfSIS SS CECC 31200-1982 Sectional specification Fixed capacitors with metallized electrodes and polypropylene dielectric《分规范 有金属电极和聚丙烯电介质的固定电容器》.pdf

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SIS SS CECC 31101-1981 Blank detail specification Fixed ceramic dielectric capacitors of barrier layer type (dielectric class 3)《空白详细规范 阻挡层型固定陶瓷介质电容器（3类电介体）》.pdf 1

SIS SS CECC 31101-1981 Blank detail specification Fixed ceramic dielectric capacitors of barrier layer type (dielectric class 3)《空白详细规范 阻挡层型固定陶瓷介质电容器（3类电介体）》.pdfSIS SS CECC 31101-1981 Blank detail specification Fixed ceramic dielectric capacitors of barrier layer type (dielectric class 3)《空白详细规范 阻挡层型固定陶瓷介质电容器（3类电介体）》.pdf

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SIS SS CECC 30901-1986 Blank detail specification Fixed polystyrene film dielectric metal foil d c capacitors《空白详细规范 固定聚苯乙烯薄膜电介体金属箔直流电容器》.pdf 1

SIS SS CECC 30901-1986 Blank detail specification Fixed polystyrene film dielectric metal foil d c capacitors《空白详细规范 固定聚苯乙烯薄膜电介体金属箔直流电容器》.pdfSIS SS CECC 30901-1986 Blank detail specification Fixed polystyrene film dielectric metal foil d c capacitors《空白详细规范 固定聚苯乙烯薄膜电介体金属箔直流电容器》.pdf

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SIS SS 437 10 02-1989 Electricalinstallations of buildings Medically used rooms《建筑物电力装置 医疗用客房》.pdf 25

SIS SS 437 10 02-1989 Electricalinstallations of buildings Medically used rooms《建筑物电力装置 医疗用客房》.pdfSIS SS 437 10 02-1989 Electricalinstallations of buildings Medically used rooms《建筑物电力装置 医疗用客房》.pdf

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SIS SS 437 01 52-1990 Electrical installations of buildings Spaces for electrical and telecommunication equipment in blocks of flats《建筑物中的电力装置 公寓楼房中的电器和电信设备控制室》.pdf 8

SIS SS 437 01 52-1990 Electrical installations of buildings Spaces for electrical and telecommunication equipment in blocks of flats《建筑物中的电力装置 公寓楼房中的电器和电信设备控制室》.pdfSIS SS 437 01 52-1990 Electrical installations of buildings Spaces for electrical and telecommunication equipment in blocks of flats《建筑物中的电力装置 公寓楼房中的电器和电信设备控制室》.pdf

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