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发明名称
Frequency shifting clock
摘要
申请公布号
US3028552(A)
申请公布日期
1962.04.03
申请号
US19600023459
申请日期
1960.04.20
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
HAHS WALTER R.
分类号
G11B20/14
主分类号
G11B20/14
代理机构
代理人
主权项
地址
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