ASTM资源列表
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[国外标准] ASTM A134-96(2005) Standard Specification for Pipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS 1
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[国外标准] ASTM A111-99a(R2004) Standard Specification for Zinc-Coated (Galvanized) Iron Telephone and Telegrap
[国外标准] ASTM A134-96(2005) Standard Specification for Pipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS 1
[国外标准] ASTM A111-99a(R2004) Standard Specification for Zinc-Coated (Galvanized) Iron Telephone and Telegrap