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经营范围
发明名称
Improvements in electrical calculating circuits
摘要
申请公布号
GB639928(A)
申请公布日期
1950.07.12
申请号
GB19460024917
申请日期
1946.08.21
申请人
GRAHAM JOHN SCOLES;CHARLES WALTER MILLER;METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED
发明人
分类号
G06G7/16
主分类号
G06G7/16
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代理人
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地址
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