Method of calibrating instruments,申请号US19280267124-传众专利搜索

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发明名称	Method of calibrating instruments
摘要
申请公布号	US1755117(A)	申请公布日期	1930.04.15
申请号	US19280267124	申请日期	1928.04.03
申请人	GENERAL ELECTRIC COMPANY	发明人	HILDEBRAND LEE E.
分类号	G08C19/48	主分类号	G08C19/48
代理机构		代理人
主权项
地址

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