Chain saw sharpener,申请号US19520297510-传众专利搜索

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发明名称	Chain saw sharpener
摘要
申请公布号	US2729987(A)	申请公布日期	1956.01.10
申请号	US19520297510	申请日期	1952.07.07
申请人	THE DUMORE COMPANY	发明人	BLUEMINK GARY G.
分类号	B23D63/16	主分类号	B23D63/16
代理机构		代理人
主权项
地址

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