équipement de pelle pour forage profond,申请号FR19640964016-传众专利搜索

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发明名称	équipement de pelle pour forage profond
摘要
申请公布号	FR1394140(A)	申请公布日期	1965.04.02
申请号	FR19640964016	申请日期	1964.02.17
申请人		发明人	PINGON PIERRE JOSEPH
分类号	E02F3/413;E21B11/04	主分类号	E02F3/413
代理机构		代理人
主权项
地址

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