Dispositif de fermeture pour vannes à pétrole,申请号FRD727640-传众专利搜索

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发明名称	Dispositif de fermeture pour vannes à pétrole
摘要
申请公布号	FR727640(A)	申请公布日期	1932.06.21
申请号	FRD727640	申请日期	1931.12.03
申请人	MUNZING (S. A.) PARIS MONCEAU-LES-MINES	发明人
分类号	F16K3/18	主分类号	F16K3/18
代理机构		代理人
主权项
地址

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