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发明名称
Wechselschreibstift, insbesondere Vierfarbstift
摘要
申请公布号
DE952417(C)
申请公布日期
1956.11.15
申请号
DE1953W011588
申请日期
1953.07.02
申请人
FA. ADOLF WALDMANN
发明人
GOSSWEILER OSKAR;GOSSWEILER MANFRED
分类号
B43K24/14
主分类号
B43K24/14
代理机构
代理人
主权项
地址
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