标题: ISO 21809-1:2011 [打印本页] 作者: ir_71 时间: 2014-6-29 17:18:45 标题: ISO 21809-1:2011
ISO 21809-1:2011
Petroleum and natural Gas industries - External Coatings for Buried or submerged Pipelines used in Pipeline transportation systems -
Part 1: Polyolefin Coatings (3-Layer PE and 3-Layer PP)