论坛首页 › ISO 国际标准 › ISO 5256:1985 Steel pipes and fittings for buried or submerged pipe lines — Ex

cc523pate 发表于 2018-8-22 21:25:37

ISO 5256:1985 Steel pipes and fittings for buried or submerged pipe lines — Ex

ISO 5256:1985 Steel pipes and fittings for buried or submerged pipe lines — External and internal coating by bitumen or coal tar derived materials

admin 发表于 2018-8-29 20:21:56

谢谢您的分享,金币已奖励!

查看完整版本: ISO 5256:1985 Steel pipes and fittings for buried or submerged pipe lines — Ex