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发明名称
Relaxation oscillator and amplifier system
摘要
申请公布号
US1921476(A)
申请公布日期
1933.08.08
申请号
US19290378102
申请日期
1929.07.13
申请人
PAGE ROBERT M
发明人
PAGE ROBERT M.
分类号
H03B19/12;H03K4/12
主分类号
H03B19/12
代理机构
代理人
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