jcshi 发表于 2008-8-15 11:10

UL44.pdf  Thermoset-Insulated Wires and  Cables

UL44.pdfThermoset-Insulated Wires andCables

yxd2008 发表于 2008-8-15 11:22

论坛上已经有这个标准了.

http://www.angui.org/bbs/read.php?tid-9925-keyword-UL44.html
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