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发明名称
VARIABLE ATTENUATOR
摘要
申请公布号
JPS5299744(A)
申请公布日期
1977.08.22
申请号
JP19760016841
申请日期
1976.02.18
申请人
SONY CORP
发明人
TOYOSHIMA MASAKATSU;YASUDA HIROSHI
分类号
H03G3/00;H03G1/00;H03G3/02;H03H11/24
主分类号
H03G3/00
代理机构
代理人
主权项
地址
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