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…一…－一·”…，。“~~ ... ANSl/Mss· SP” 25 M 2018 （第忧版〉美国阀门及配件工业制精商标准化协会编号：IX…03国外阀门标准...
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res 83. 140. 99 G 47 备案号 ：60475-20 18中华人民共和国化工行业标准可曲挠橡胶接头Flexible rubber joint 2017 - 11-07 ...
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GB /T 19418-20031 150 58 17 : 1992前言本标准等同采用国际标准ISO 5817,1992(钢的弧焊接头 缺陷质里匕于级指南》。本标准的附录...
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