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发明名称
Multiscale indicator
摘要
申请公布号
US2193107(A)
申请公布日期
1940.03.12
申请号
US19360113461
申请日期
1936.11.30
申请人
RADIO CORPORATION OF AMERICA
发明人
MARIS ELWOOD S.
分类号
H03J1/04
主分类号
H03J1/04
代理机构
代理人
主权项
地址
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