MINE FACE TRAVERSING MINING HEAD,申请号CAD581684-传众专利搜索

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发明名称	MINE FACE TRAVERSING MINING HEAD
摘要
申请公布号	CA581684(A)	申请公布日期	1959.08.18
申请号	CAD581684	申请日期
申请人	THE COLMOL COMPANY	发明人	ARVID R. ANDERSON
分类号		主分类号
代理机构		代理人
主权项
地址

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