Feeding means for rotary head tunneling machine,申请号US19590816353-传众专利搜索

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发明名称	Feeding means for rotary head tunneling machine
摘要
申请公布号	US3061287(A)	申请公布日期	1962.10.30
申请号	US19590816353	申请日期	1959.04.17
申请人	GOODMAN MANUFACTURING COMPANY	发明人	MILLER WILLIAM W.
分类号	E21D9/10;E21D9/11	主分类号	E21D9/10
代理机构		代理人
主权项
地址

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