Electric micrometer ultra precision level,申请号US19540414581-传众专利搜索

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发明名称	Electric micrometer ultra precision level
摘要
申请公布号	US2804692(A)	申请公布日期	1957.09.03
申请号	US19540414581	申请日期	1954.03.08
申请人	KARSTENS EDWARD S	发明人	KARSTENS EDWARD S.
分类号	G01C9/18	主分类号	G01C9/18
代理机构		代理人
主权项
地址

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