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发明名称
Predetermined code switching device
摘要
申请公布号
US2919427(A)
申请公布日期
1959.12.29
申请号
US19560630196
申请日期
1956.12.24
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
BENSON ALFRED B.;THORNE WILLIAM D.
分类号
H02J13/00
主分类号
H02J13/00
代理机构
代理人
主权项
地址
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