Improvements in or relating to valve closure members,申请号GB19570001848-传众专利搜索

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发明名称	Improvements in or relating to valve closure members
摘要
申请公布号	GB847098(A)	申请公布日期	1960.09.07
申请号	GB19570001848	申请日期	1957.01.17
申请人	REGIE NATIONALE DES USINES RENAULT	发明人
分类号	F16K31/58	主分类号	F16K31/58
代理机构		代理人
主权项
地址

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