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发明名称
Двухканальная усилительная система для звуковоспроизведения кинофильмов
摘要
申请公布号
SU76676(A1)
申请公布日期
1948.11.30
申请号
SU19470372087
申请日期
1947.12.19
申请人
MATVEENKO A.S.;KHRUSHSHEV A.A.
发明人
MATVEENKO A.S.;KHRUSHSHEV A.A.
分类号
H03F3/68
主分类号
H03F3/68
代理机构
代理人
主权项
地址
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