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发明名称
Appareil récepteur de t. s. f. à réglage automatique du volume des sons
摘要
申请公布号
FR776125(A)
申请公布日期
1935.01.17
申请号
FRD776125
申请日期
1934.07.18
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03G3/26
主分类号
H03G3/26
代理机构
代理人
主权项
地址
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