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发明名称
ELECTRONIC COUNTER
摘要
申请公布号
CA491169(A)
申请公布日期
1953.03.10
申请号
CAD491169
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
ARTHUR H. DICKINSON
分类号
主分类号
代理机构
代理人
主权项
地址
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