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发明名称
Perfectionnements aux amplificateurs du type classe beta
摘要
申请公布号
FR942898(A)
申请公布日期
1949.02.21
申请号
FRD942898
申请日期
1946.10.30
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
H03F1/36;H03F3/22;H03F3/28;H03F3/32
主分类号
H03F1/36
代理机构
代理人
主权项
地址
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