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发明名称
Verfahren zur Herstellung von Praegewalzen fuer Linsenrasterfilme unter Verwendung eines Schleifdrahtes
摘要
申请公布号
DE539433(C)
申请公布日期
1931.11.28
申请号
DED539433D
申请日期
1930.12.19
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
FISCHER DR.-ING. FRITZ
分类号
B44B3/04
主分类号
B44B3/04
代理机构
代理人
主权项
地址
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