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发明名称
Improvements in high resistance rheostats with slide contacts
摘要
申请公布号
GB376335(A)
申请公布日期
1932.07.07
申请号
GB19310010202
申请日期
1931.04.07
申请人
ALEXIS WASILIEWITSH ULITOWSKY
发明人
分类号
H01C10/38
主分类号
H01C10/38
代理机构
代理人
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地址
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