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发明名称
Oscillation generator
摘要
申请公布号
US1921501(A)
申请公布日期
1933.08.08
申请号
US19300470447
申请日期
1930.07.24
申请人
BOWER WARD E
发明人
BOWER WARD E.
分类号
H03B5/30
主分类号
H03B5/30
代理机构
代理人
主权项
地址
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