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发明名称
Electrical rheostat with a ring-shaped sliding contact
摘要
申请公布号
GB366150(A)
申请公布日期
1932.02.04
申请号
GB19300029765
申请日期
1930.10.04
申请人
ALEXEY ULITOWSKY;NICOLAS LEVITZKY-ROGALIA
发明人
分类号
H01C10/38
主分类号
H01C10/38
代理机构
代理人
主权项
地址
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