COAL CUTTING MACHINE,申请号CAD401696-传众专利搜索

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发明名称	COAL CUTTING MACHINE
摘要
申请公布号	CA401696(A)	申请公布日期	1941.12.23
申请号	CAD401696	申请日期
申请人	CHAMBERS AND COMPANY LIMITED	发明人	OSWALD FLOYD LEWIS
分类号		主分类号
代理机构		代理人
主权项
地址

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