Perfectionnements aux dispositifs de pompage, notamment pour puits profonds,申请号FRD66469-传众专利搜索

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发明名称	Perfectionnements aux dispositifs de pompage, notamment pour puits profonds
摘要
申请公布号	FR66469(E)	申请公布日期	1957.03.08
申请号	FRD66469	申请日期	1954.05.31
申请人		发明人	BOTTET EUGENE
分类号	F04F7/00	主分类号	F04F7/00
代理机构		代理人
主权项
地址

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