APPARATUS,REAMER AND METHODS FOR WORKING PIPE,申请号USD3445871-传众专利搜索

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发明名称	APPARATUS,REAMER AND METHODS FOR WORKING PIPE
摘要
申请公布号	US3445871(A)	申请公布日期	1969.05.27
申请号	USD3445871	申请日期	1967.04.03
申请人	DONALD E. BLAKE	发明人	DONALD E. BLAKE
分类号	B23B5/16;(IPC1-7):B23G1/44;B23G1/50;B23G1/52	主分类号	B23B5/16
代理机构		代理人
主权项
地址

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