Double-seat valve device,申请号EP20070017829-传众专利搜索

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发明名称	Double-seat valve device
摘要
申请公布号	EP1903264(B1)	申请公布日期	2009.09.09
申请号	EP20070017829	申请日期	2007.09.12
申请人	GEBR. RIEGER GMBH & CO. KG	发明人	DU, TAI LUONG, ING.-ING.
分类号	F16K1/44	主分类号	F16K1/44
代理机构		代理人
主权项
地址

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