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发明名称
Means for preventing arcing of the contacts of electrical regulating instruments
摘要
申请公布号
US2026617(A)
申请公布日期
1936.01.07
申请号
US19310528856
申请日期
1931.04.09
申请人
MILTON EATON
发明人
EATON MILTON
分类号
G01R13/00
主分类号
G01R13/00
代理机构
代理人
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