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发明名称
Oscillation generator
摘要
申请公布号
US1775752(A)
申请公布日期
1930.09.16
申请号
US19290363086
申请日期
1929.05.14
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
EDWARDS WILLIAM H.
分类号
H03B7/00
主分类号
H03B7/00
代理机构
代理人
主权项
地址
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