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发明名称
Electrical supply system
摘要
申请公布号
US1912991(A)
申请公布日期
1933.06.06
申请号
US19290360044
申请日期
1929.05.03
申请人
RADIO CORPORATION OF AMERICA
发明人
MIESSNER BENJAMIN F.
分类号
G05F1/52
主分类号
G05F1/52
代理机构
代理人
主权项
地址
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