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经营范围
发明名称
Improvements in information handling apparatus
摘要
申请公布号
GB757161(A)
申请公布日期
1956.09.12
申请号
GB19540024271
申请日期
1954.08.20
申请人
INTERN ATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G11C19/04
主分类号
G11C19/04
代理机构
代理人
主权项
地址
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