Machine pour le forage de puits,申请号FR19630921882-传众专利搜索

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发明名称	Machine pour le forage de puits
摘要
申请公布号	FR1344109(A)	申请公布日期	1963.11.22
申请号	FR19630921882	申请日期	1963.01.18
申请人		发明人	BONEVIK STIG ERIK GUSTAF
分类号	E21B1/02	主分类号	E21B1/02
代理机构		代理人
主权项
地址

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