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发明名称
Vorrichtung zum Vervielfaeltigen von Spiegelschriftoriginalen
摘要
申请公布号
DE567609(C)
申请公布日期
1932.12.24
申请号
DE1925R064965D
申请日期
1925.07.29
申请人
WILHELM RITZERFELD
发明人
分类号
B41L7/08
主分类号
B41L7/08
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