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发明名称
Verfahren zur Herstellung grundgeraeuscharmer Tonfilmkopien
摘要
申请公布号
DE755731(C)
申请公布日期
1953.08.10
申请号
DE1935K139890D
申请日期
1935.11.07
申请人
KLANGFILM G.M.B.H.
发明人
NARATH ALBERT DR. PHIL. HABIL.
分类号
G03C5/14;G11B7/28
主分类号
G03C5/14
代理机构
代理人
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地址
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