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发明名称
Generator frequency control
摘要
申请公布号
US1776592(A)
申请公布日期
1930.09.23
申请号
US19270233649
申请日期
1927.11.16
申请人
HAZELTINE CORPORATION
发明人
MACDONALD WILLIAM A.
分类号
H02P9/42
主分类号
H02P9/42
代理机构
代理人
主权项
地址
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