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发明名称
Phase responsive circuits
摘要
申请公布号
US2419219(A)
申请公布日期
1947.04.22
申请号
US19430488379
申请日期
1943.05.25
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
JOHNSTONE CHARLES W.
分类号
G01R25/00;G01S13/42
主分类号
G01R25/00
代理机构
代理人
主权项
地址
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