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发明名称
Electric translating circuits
摘要
申请公布号
US1970440(A)
申请公布日期
1934.08.14
申请号
US19320614799
申请日期
1932.06.01
申请人
GENERAL ELECTRIC COMPANY
发明人
VOGDES FRANCIS B.
分类号
H02M7/51
主分类号
H02M7/51
代理机构
代理人
主权项
地址
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