Perfectionnements aux puits de tous genres,申请号FRD855335-传众专利搜索

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发明名称	Perfectionnements aux puits de tous genres
摘要
申请公布号	FR855335(A)	申请公布日期	1940.05.08
申请号	FRD855335	申请日期	1939.01.26
申请人		发明人	HUMERY RENE, JACQUES, GUY
分类号	E03B3/12	主分类号	E03B3/12
代理机构		代理人
主权项
地址

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