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发明名称
Einrichtung zum Veraendern der Laenge des Lichtstreifens bei Lichttongeraeten
摘要
申请公布号
DE670238(C)
申请公布日期
1939.01.14
申请号
DE1933B162580D
申请日期
1933.09.29
申请人
EUGEN BAUER G.M.B.H.
发明人
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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