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发明名称
Procédé pour la reproduction d'enregistrements sonores, en particulier d'enregistrements photographiques du son
摘要
申请公布号
FR795072(A)
申请公布日期
1936.03.03
申请号
FRD795072
申请日期
1935.09.17
申请人
发明人
OSKAR CZEIJA;FRIEDRICH LIERG
分类号
G03C5/14
主分类号
G03C5/14
代理机构
代理人
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