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发明名称
Rechengerät
摘要
申请公布号
AT174226(B)
申请公布日期
1953.03.10
申请号
ATD174226
申请日期
1949.10.03
申请人
GEBHARD SPIEGEL
发明人
GEBHARD SPIEGEL
分类号
主分类号
代理机构
代理人
主权项
地址
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