Expansible and contractible work piece holder,申请号US19610122259-传众专利搜索

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发明名称	Expansible and contractible work piece holder
摘要
申请公布号	US3111327(A)	申请公布日期	1963.11.19
申请号	US19610122259	申请日期	1961.07.06
申请人	HAROLD RUEHL	发明人	RUEHL HAROLD
分类号	B23B31/40	主分类号	B23B31/40
代理机构		代理人
主权项
地址

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