Perforatrice de roche,申请号FRD678023-传众专利搜索

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发明名称	Perforatrice de roche
摘要
申请公布号	FR678023(A)	申请公布日期	1930.03.18
申请号	FRD678023	申请日期	1929.07.08
申请人	INGERSOLL-RAND COMPANY	发明人
分类号	B25D9/24	主分类号	B25D9/24
代理机构		代理人
主权项
地址

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