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发明名称
Elektronische Zifferrechenmaschine
摘要
申请公布号
DE973375(C)
申请公布日期
1960.02.04
申请号
DE1950N001784
申请日期
1950.09.06
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
WILLIAMS F. C.
分类号
G06F7/50
主分类号
G06F7/50
代理机构
代理人
主权项
地址
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