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发明名称
Kreisscheibenförmiger Aufzeichnungsträger für zwei Tonschriften
摘要
申请公布号
CH424299(A)
申请公布日期
1966.11.15
申请号
CH19650001760
申请日期
1965.02.09
申请人
TELEFUNKEN AKTIENGESELLSCHAFT
发明人
BERNDT,WALTER,DR.;REDLICH,HORST
分类号
G11B3/74;G11B13/02;G11B13/04
主分类号
G11B3/74
代理机构
代理人
主权项
地址
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