兑水 发表于 2009-9-24 07:42:06

ASTM C 1534-2004 用作管道系统热和声吸收衬料的柔性聚合物泡..

C1534-02 Standard Specification for Flexible Polymeric Foam Sheet Insulation Used as a Thermal and Sound Absorbing Liner for Duct Systems
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