Method of making a rigid connection between a sleeve and a bushing,申请号US19480028037-传众专利搜索

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发明名称	Method of making a rigid connection between a sleeve and a bushing
摘要
申请公布号	US2636254(A)	申请公布日期	1953.04.28
申请号	US19480028037	申请日期	1948.05.19
申请人	LE ROI COMPANY	发明人	GUNNING SAMUEL D.
分类号	B23P11/00;E21B1/30	主分类号	B23P11/00
代理机构		代理人
主权项
地址

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