Measuring device for precision grinders,申请号US19280260874-传众专利搜索

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发明名称	Measuring device for precision grinders
摘要
申请公布号	US1834231(A)	申请公布日期	1931.12.01
申请号	US19280260874	申请日期	1928.03.12
申请人	A. O. SMITH CORPORATION	发明人	WHITMAN FRED H.
分类号	B24B49/04	主分类号	B24B49/04
代理机构		代理人
主权项
地址

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