shaoping0328 发表于 2018-8-3 11:07:02

DEP 31.40.30.31-Gen. 壳牌石油企业规范

DEP SPECIFICATION
PIPELINE EXTERNAL COATINGS
(AMENDMENTS/SUPPLEMENTS TO ISO 21809-1:2011 AND
ISO 21809-2:2014)
DEP 31.40.30.31-Gen.

admin 发表于 2018-8-7 11:01:29


谢谢您的分享,金币已奖励!
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