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发明名称
Verfahren und Einrichtung zur Herstellung einer Tonfilmaufzeichnung in Intensitaetsschrift
摘要
申请公布号
DE870481(C)
申请公布日期
1953.03.12
申请号
DED870481
申请日期
1931.08.31
申请人
WESTERN ELECTRIC COMPANY INCORPORATED
发明人
分类号
C08F10/00;G11B7/00
主分类号
C08F10/00
代理机构
代理人
主权项
地址
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