论坛 › 美国标准 › ASTM F 1948-2005 用于外径控制热塑供气管道和支管的金属机械...
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发表于 2009-12-4 10:13:26
ASTM F 1948-2005 用于外径控制热塑供气管道和支管的金属机械...
F1948-99ae1 Standard Specification for Metallic Mechanical Fittings for Use on Outside Diameter Controlled Thermoplastic Gas Distribution Pipe and Tubing