Continuous mining machine of the ripper type,申请号US19620201990-传众专利搜索

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发明名称	Continuous mining machine of the ripper type
摘要
申请公布号	US3141703(A)	申请公布日期	1964.07.21
申请号	US19620201990	申请日期	1962.06.12
申请人	GOODMAN MANUFACTURING COMPANY	发明人	GONSKI JOSEPH
分类号	E21C27/24	主分类号	E21C27/24
代理机构		代理人
主权项
地址

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