Top-mounted O-shaped ball valve
LIU JUNFENG, HU PINGJIE, MEI CHANGSONG, LI CHUNQI, DENG HAIYAN, CAO HAIPING, ZHOU ZONGYING
Year of Publication 01.04.2015
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Year of Publication 01.04.2015
Patent
Top-mounted O-shaped ball valve and manufacturing and assembling method thereof
LIU JUNFENG, HU PINGJIE, MEI CHANGSONG, LI CHUNQI, CAO HAIPING, ZHOU ZONGYING
Year of Publication 30.03.2016
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Year of Publication 30.03.2016
Patent