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发明名称
Recording apparatus
摘要
申请公布号
US2401350(A)
申请公布日期
1946.06.04
申请号
US19440531374
申请日期
1944.04.17
申请人
CONNECTICUT TELEPHONE & ELECTRIC DIVISION, GREAT AMERICAN INDUSTRIES, INCORPORATED
发明人
HELLMANN REINHARD K.
分类号
G01R17/04;H04N1/032;H04N1/06
主分类号
G01R17/04
代理机构
代理人
主权项
地址
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