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GOST 7229-76 - Cables, wirs and cords. Method of tests - Measurement of electrical resistance of conductor
GOST 7229-76 - Cables wirs and cords. Method of tests - Measurement of electrical resistance of conductor.pdf
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lippman:这论坛金币不值钱,每天签个到就用不完,没必要整天刷帖,卖的还这么贵,没几个人买的
这论坛金币不值钱,每天签个到就用不完,没必要整天刷帖,卖的还这么贵,没几个人买的
你是这么想的。 信息是有价值的。