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发明名称
Improvements in and relating to carbon pile regulators
摘要
申请公布号
GB563661(A)
申请公布日期
1944.08.24
申请号
GB19430002886
申请日期
1943.02.22
申请人
FREDERICK NEWTON
发明人
分类号
H02P9/22
主分类号
H02P9/22
代理机构
代理人
主权项
地址
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