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发明名称
Gekennzeichnete photographische Tonschrift
摘要
申请公布号
DE698339(C)
申请公布日期
1940.11.07
申请号
DE1937T049575D
申请日期
1937.11.30
申请人
TOBIS TONBILD-SYNDIKAT AKT.-GES.
发明人
HENKEL HEINRICH
分类号
G11B7/00;G11B27/26
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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