API STD 600 CHINESE 2009.03.01 Steel Gate Valves-Flanged and Butt-welding Ends,

匿名 发表于 2019-11-25 11:37:52 |阅读模式

API STD 600 CHINESE 2009.03.01 Steel Gate Valves-Flanged and Butt-welding Ends, Bolted Bonnets - Twelfth Edition; Effective: September 1, 2009 40pages

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API STD 600 CHINESE 2009.03.01 Steel Gate Valves-Flanged and Butt-welding Ends,

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