Mouton pour tubes de forage,申请号FRD868048-传众专利搜索

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发明名称	Mouton pour tubes de forage
摘要
申请公布号	FR868048(A)	申请公布日期	1941.12.12
申请号	FRD868048	申请日期	1940.12.11
申请人	FU:RTHER TIEFBOHRANSTALT U. PUMPENBAU VORMALS GEBRU:DER GILDE INH. A. KRIEGBAUM	发明人
分类号	E21B11/02	主分类号	E21B11/02
代理机构		代理人
主权项
地址

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