Perfectionnements aux dispositifs d'étanchéité,申请号FRD751891-传众专利搜索

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发明名称	Perfectionnements aux dispositifs d'étanchéité
摘要
申请公布号	FR751891(A)	申请公布日期	1933.09.11
申请号	FRD751891	申请日期	1932.06.08
申请人		发明人	IRLE RENE
分类号	F16J15/40	主分类号	F16J15/40
代理机构		代理人
主权项
地址

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