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发明名称
Rheostat
摘要
申请公布号
US2303499(A)
申请公布日期
1942.12.01
申请号
US19390295002
申请日期
1939.09.15
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
RICH FORREST E.
分类号
H01C10/20
主分类号
H01C10/20
代理机构
代理人
主权项
地址
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