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标题: ASTM F2648 F2648M-17 [打印本页]

作者: ygs67 时间: 2018-2-22 19:58:16 标题: ASTM F2648 F2648M-17

ASTM F2648 F2648M-17 Standard Specification for 2 to 60 inch [50 to 1500 mm] Annular Corrugated Profile Wall Polyethylene (PE) Pipe and Fittings for Land Drainage Applications

作者: admin 时间: 2018-3-4 21:29:42

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