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发明名称
Adding arrangements
摘要
申请公布号
US2870963(A)
申请公布日期
1959.01.27
申请号
US19560570368
申请日期
1956.03.08
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
THREADGOLD RONALD
分类号
G06F7/50;G06F7/501
主分类号
G06F7/50
代理机构
代理人
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地址
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