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发明名称
Tastatur, insbesondere fuer Rechenmaschinen, Buchfuehrungsmaschinen o. dgl.
摘要
申请公布号
DE737039(C)
申请公布日期
1943.07.05
申请号
DE1938H155522D
申请日期
1938.04.17
申请人
ROLF HOFGAARD
发明人
HOFGAARD ROLF
分类号
H01H13/84
主分类号
H01H13/84
代理机构
代理人
主权项
地址
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