File cutting machine,申请号US19310546383-传众专利搜索

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发明名称	File cutting machine
摘要
申请公布号	US1877071(A)	申请公布日期	1932.09.13
申请号	US19310546383	申请日期	1931.06.23
申请人	GEORGE SMITH HARRY	发明人	SMITH HARRY GEORGE
分类号	B23D73/00	主分类号	B23D73/00
代理机构		代理人
主权项
地址

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