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发明名称
Vacuum switch
摘要
申请公布号
US2740867(A)
申请公布日期
1956.04.03
申请号
US19520317184
申请日期
1952.10.28
申请人
JENNINGS RADIO MANUFACTURING CORPORATION
发明人
JENNINGS JO EMMETT
分类号
H01H33/66
主分类号
H01H33/66
代理机构
代理人
主权项
地址
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