兑水 发表于 2009-9-15 14:20:57

ASTM B 903-2000 热交换器用内部增强型无缝铜管规范

B903-00 Standard Specification for Seamless Copper Heat Exchanger Tubes With Internal Enhancement
页: [1]
查看完整版本: ASTM B 903-2000 热交换器用内部增强型无缝铜管规范