Saw sharpening apparatus,申请号US19580776812-传众专利搜索

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发明名称	Saw sharpening apparatus
摘要
申请公布号	US2921484(A)	申请公布日期	1960.01.19
申请号	US19580776812	申请日期	1958.11.28
申请人	HOLST FRED W;HOLST ANNA D	发明人	HOLST FRED W.;HOLST ANNA D.
分类号	B23D63/12	主分类号	B23D63/12
代理机构		代理人
主权项
地址

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