Work holder,申请号US19250025617-传众专利搜索

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发明名称	Work holder
摘要
申请公布号	US1808288(A)	申请公布日期	1931.06.02
申请号	US19250025617	申请日期	1925.04.24
申请人	GENERAL MOTORS CORPORATION	发明人	CHAPMAN WILLIAM H.;HUTCHINSON PHILIP H.
分类号	B23B31/12	主分类号	B23B31/12
代理机构		代理人
主权项
地址

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