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发明名称
Calculating machine drive apparatus
摘要
申请公布号
US2988272(A)
申请公布日期
1961.06.13
申请号
US19560618277
申请日期
1956.10.25
申请人
BURROUGHS CORPORATION
发明人
STEPHEN JAMES
分类号
G06C23/02
主分类号
G06C23/02
代理机构
代理人
主权项
地址
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