上海冠龍閥門(mén)節(jié)能設(shè)備股份有限公司青島經(jīng)營(yíng)部
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上海冠龍閥門(mén)節(jié)能設(shè)備股份有限公司青島經(jīng)營(yíng)部 (曾用名:上海冠龍閥門(mén)機(jī)械股份有限公司青島經(jīng)營(yíng)部)
偏心半球閥(上裝式)
偏心半球閥是近年來(lái)發(fā)展最快的閥類(lèi)之一
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