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发明名称
Verfahren zur Herstellung von Druck- und Praegestoecken durch Einpraegen eines relief-artigen Stempels nach Patent 447078 in ein in der Hitze schmelzbares Material
摘要
申请公布号
DE488020(C)
申请公布日期
1931.07.07
申请号
DE1928F066786D
申请日期
1928.09.08
申请人
DR.-ING. WALTHER FORSTMANN;PAUL KARL MENZEL
发明人
分类号
B41C1/08
主分类号
B41C1/08
代理机构
代理人
主权项
地址
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