兑水 发表于 2009-9-15 14:06:34

ASTM B 891-1998 装整体散热片的无缝和焊接钛钛合金冷凝器...

B891-98(2004) Standard Specification for Seamless and Welded Titanium and Titanium Alloy Condenser and Heat Exchanger Tubes With Integral Fins
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