( تهیه _استاندارد _ASTM _ درخواستی شما_2017
for Steel Sheet, Metallic Coated and
Polymer Precoated for Corrugated Steel Pipe
A0762_A0762M-Specification ... for Corrugated Steel Pipe,
Polymer Precoated for Sewers and Drains
A1019_A1019M-Specification ... Steel Pipe with Diameter of 36 in. \[900 mm\] or Less,
Polymer Precoated for Sewers and Drains
A359-Methods ... for Highway Structures
F0668-Specification for
Polyvinyl Chloride (PVC) and Other Organic
Polymer-Coated ...