Perfectionnements aux foreuses,申请号FRD1174580-传众专利搜索

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发明名称	Perfectionnements aux foreuses
摘要
申请公布号	FR1174580(A)	申请公布日期	1959.03.12
申请号	FRD1174580	申请日期	1957.05.06
申请人	ETABLISSEMENTS MATENIN	发明人
分类号	E21B7/00	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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