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发明名称
An amplifier device for converting alternating current from a constant frequency to a desired frequency
摘要
申请公布号
GB979176(A)
申请公布日期
1965.01.01
申请号
GB19620004561
申请日期
1962.02.06
申请人
CONTINENTAL OIL COMPANY
发明人
GARTEN ROY ENOS
分类号
G01V1/04;H02M5/27
主分类号
G01V1/04
代理机构
代理人
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