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发明名称
Verfahren zur Herstellung von Aufnahmeschallplatten
摘要
申请公布号
DE731516(C)
申请公布日期
1943.02.10
申请号
DE1939D080557D
申请日期
1939.06.04
申请人
DEUTSCHE CELLULOID-FABRIK AG.
发明人
THINIUS DR. KURT
分类号
G11B3/70
主分类号
G11B3/70
代理机构
代理人
主权项
地址
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