Perfectionnement aux garnitures d'étanchéité pour vérins hydrauliques,申请号FRD943838-传众专利搜索

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发明名称	Perfectionnement aux garnitures d'étanchéité pour vérins hydrauliques
摘要
申请公布号	FR943838(A)	申请公布日期	1949.03.18
申请号	FRD943838	申请日期	1947.03.04
申请人		发明人	GRATZMULLER JEAN-LOUIS
分类号	F16J15/18	主分类号	F16J15/18
代理机构		代理人
主权项
地址

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