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发明名称
Electronic recorder
摘要
申请公布号
US2739865(A)
申请公布日期
1956.03.27
申请号
US19500158465
申请日期
1950.04.27
申请人
SERVO CORPORATION OF AMERICA
发明人
WILLEY FRANK G.
分类号
G01D15/06;G01R13/14;G06K1/02;G06K15/22
主分类号
G01D15/06
代理机构
代理人
主权项
地址
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