ASTM F2648 F2648M-07 Standard Specification for 2 to 60 inch [50 to 1500 mm] Annular Corrugated Prof
标准简介
ASTM F2648 F2648M-07 Standard Specification for 2 to 60 inch [50 to 1500 mm] Annular Corrugated Profile Wall Polyethylene (PE) Pipe and Fittings for Land Drainage Applications1
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