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SN 274 200-1988 Boilers and Pressure VesselsWelded Joints《图纸 液压系统和气动系统符号》.pdf 24

SN 274 200-1988 Boilers and Pressure VesselsWelded Joints《图纸 液压系统和气动系统符号》.pdfSN 274 200-1988 Boilers and Pressure VesselsWelded Joints《图纸 液压系统和气动系统符号》.pdf

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6人阅读
SN 258 460-1981 Conical tapersTaper angles and conical tapers《带有齿槽的轻型夹紧销》.pdf 4

SN 258 460-1981 Conical tapersTaper angles and conical tapers《带有齿槽的轻型夹紧销》.pdfSN 258 460-1981 Conical tapersTaper angles and conical tapers《带有齿槽的轻型夹紧销》.pdf

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SN 258 440-1983 General tolerances for linear and angular dimensionsformed by metal removal or from sheet metal《带有内螺纹的锥形销钉》.pdf 8

SN 258 440-1983 General tolerances for linear and angular dimensionsformed by metal removal or from sheet metal《带有内螺纹的锥形销钉》.pdfSN 258 440-1983 General tolerances for linear and angular dimensionsformed by metal removal or from sheet metal《带有内螺纹的锥形销钉》.pdf

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SN 258 405-1979 Die Angaben in dieser Norm entsprechen weitgehend den Fest-legungen der von der Internationalen Organisation für Nor-mung ISO herausgegebenen In.pdf 4

SN 258 405-1979 Die Angaben in dieser Norm entsprechen weitgehend den Fest-legungen der von der Internationalen Organisation für Nor-mung ISO herausgegebenen In.pdfSN 258 405-1979 Die Angaben in dieser Norm entsprechen weitgehend den Fest-legungen der von der Internationalen Organisation für Nor-mung ISO herausgegebenen In.pdf

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SJ Z 9003-1987 Test enclosures of non-injection type for constant relative humidity《非注入式恒定相对湿度试验箱》.pdf 9

SJ Z 9003-1987 Test enclosures of non-injection type for constant relative humidity《非注入式恒定相对湿度试验箱》.pdfSJ Z 9003-1987 Test enclosures of non-injection type for constant relative humidity《非注入式恒定相对湿度试验箱》.pdf

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SJ Z 21350-2018 《掺铈硅酸盐闪烁晶体设计指南》.pdf 19

SJ Z 21350-2018 《掺铈硅酸盐闪烁晶体设计指南》.pdfSJ Z 21350-2018 《掺铈硅酸盐闪烁晶体设计指南》.pdf

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SJ Z 21329-2018 《金属外壳设计指南》.pdf 19

SJ Z 21329-2018 《金属外壳设计指南》.pdfSJ Z 21329-2018 《金属外壳设计指南》.pdf

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SJ Z 1762-1981 Typical calculations for 50Hz single-phase power tranformers and filter choke using C-cores《单相50HzC型铁芯电源变压器和滤波阻流圈典型计算》.pdf 75

SJ Z 1762-1981 Typical calculations for 50Hz single-phase power tranformers and filter choke using C-cores《单相50HzC型铁芯电源变压器和滤波阻流圈典型计算》.pdfSJ Z 1762-1981 Typical calculations for 50Hz single-phase power tranformers and filter choke using C-cores《单相50HzC型铁芯电源变压器和滤波阻流圈典型计算》.pdf

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QJ 20280-2014 Technical requirment for electron beam welding of metal bellows《金属波纹管电子束焊接技术要求　　》.pdf 12

QJ 20280-2014 Technical requirment for electron beam welding of metal bellows《金属波纹管电子束焊接技术要求　　》.pdfQJ 20280-2014 Technical requirment for electron beam welding of metal bellows《金属波纹管电子束焊接技术要求　　》.pdf

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QJ 20279-2014 Test method for ablation of flight vehicle on arc heater with shroud nozzle《飞行器电弧加热设备包罩烧蚀试验方法》.pdf 13

QJ 20279-2014 Test method for ablation of flight vehicle on arc heater with shroud nozzle《飞行器电弧加热设备包罩烧蚀试验方法》.pdfQJ 20279-2014 Test method for ablation of flight vehicle on arc heater with shroud nozzle《飞行器电弧加热设备包罩烧蚀试验方法》.pdf

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