GOST R 52912-2008 Nominal diameters of components of vacuum systems Series《真空设备组件的标称直径 系列》.pdf

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JB T 7673-1995 真空设备型号编制方法.pdf

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GB T 32293-2015 真空技术 真空设备的检漏方法选择.pdf

SJ 1767-1981 真空设备金属钟罩及附件.pdf

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