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经营范围
发明名称
Verfahren und Anordnung zur Verstaerkung einer Spannung, insbesondere einer Wechselspannung sehr niedriger Frequenz oder einer veraenderlichen Gleichspannung
摘要
申请公布号
DE1058558(B)
申请公布日期
1959.06.04
申请号
DE1956H027882
申请日期
1956.08.18
申请人
HAZELTINE CORPORATION
发明人
HIRSCH CHARLES JOACHIM
分类号
G05B11/01;H03F3/40
主分类号
G05B11/01
代理机构
代理人
主权项
地址
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