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发明名称
Verfahren zur Herstellung von Matrizen
摘要
申请公布号
DE517500(C)
申请公布日期
1931.02.05
申请号
DE1928H119016D
申请日期
1928.11.15
申请人
ROBERT HAHN
发明人
分类号
B41C3/00
主分类号
B41C3/00
代理机构
代理人
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