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发明名称
Multistage amplifier
摘要
申请公布号
US1917426(A)
申请公布日期
1933.07.11
申请号
US19280254988
申请日期
1928.02.17
申请人
SOCIETE FRANCAISE RADIO ELECTRIQUE
发明人
BORIAS PAUL
分类号
H03F1/16
主分类号
H03F1/16
代理机构
代理人
主权项
地址
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