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发明名称
Modulating system
摘要
申请公布号
US2355422(A)
申请公布日期
1944.08.08
申请号
US19420464163
申请日期
1942.11.02
申请人
GENERAL ELECTRIC COMPANY
发明人
CROSBY HOWARD M.
分类号
H03C1/20
主分类号
H03C1/20
代理机构
代理人
主权项
地址
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