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经营范围
发明名称
Oscillation generator
摘要
申请公布号
US1841489(A)
申请公布日期
1932.01.19
申请号
US19280264432
申请日期
1928.03.24
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MARRISON WARREN A.
分类号
H03B5/30;H03L1/02
主分类号
H03B5/30
代理机构
代理人
主权项
地址
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