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经营范围
发明名称
Resonant Transfer Switching Circuits
摘要
申请公布号
GB1165272(A)
申请公布日期
1969.09.24
申请号
GB19670031977
申请日期
1967.07.12
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
H04J3/20
主分类号
H04J3/20
代理机构
代理人
主权项
地址
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