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发明名称
VERSTAERKERSCHALTUNG
摘要
申请公布号
DE2702022(A1)
申请公布日期
1977.07.21
申请号
DE19772702022
申请日期
1977.01.19
申请人
NIPPON GAKKI SEIZO K.K.
发明人
IWAMATSU,MASAYUKI
分类号
H03F1/22;H03F3/34;H03F3/42;H03F3/45;(IPC1-7):H03F3/42
主分类号
H03F1/22
代理机构
代理人
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地址
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