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发明名称
Pulse group synchronizers
摘要
申请公布号
US2991452(A)
申请公布日期
1961.07.04
申请号
US19560569069
申请日期
1956.03.02
申请人
SPERRY RAND CORPORATION
发明人
WELSH HERBERT FRAZER
分类号
G11B20/20
主分类号
G11B20/20
代理机构
代理人
主权项
地址
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