Machine d'exploitation de mine,申请号FRD759782-传众专利搜索

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发明名称	Machine d'exploitation de mine
摘要
申请公布号	FR759782(A)	申请公布日期	1934.02.09
申请号	FRD759782	申请日期	1933.08.18
申请人		发明人	BOWMAN NEWTON KIBLER
分类号	E21C25/28	主分类号	E21C25/28
代理机构		代理人
主权项
地址

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