兑水 发表于 2009-10-21 15:16:22

ASTM D 6064-2003 1,1,1,2,3,3,3-庚荧光丙烷(CF3 CHFCF3)...

D6064-03 Standard Specification for HFC-227ea, 1,1,1,2,3,3,3-Heptafluoropropane (CF3CHFCF3)
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