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发明名称
Variable resistance and method of making same
摘要
申请公布号
US2213078(A)
申请公布日期
1940.08.27
申请号
US19370144997
申请日期
1937.05.27
申请人
GLOBE-UNION INC.
发明人
STOEKLE ERWIN R.
分类号
H01C10/32
主分类号
H01C10/32
代理机构
代理人
主权项
地址
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