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发明名称
Vorrichtung zur photographischen Aufzeichnung von Toenen
摘要
申请公布号
DE679861(C)
申请公布日期
1939.08.14
申请号
DE1935E047651D
申请日期
1935.11.26
申请人
FRIEDRICH UND LUDWIG EPKENS, GESELLSCHAFT FUER FILM U. FILMBEDARF
发明人
分类号
G11B7/135
主分类号
G11B7/135
代理机构
代理人
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