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经营范围
发明名称
Vacuum Switch
摘要
申请公布号
GB2080035(A)
申请公布日期
1982.01.27
申请号
GB19810021110
申请日期
1981.07.08
申请人
BBC DT
发明人
分类号
H01H1/20;H01H33/66;(IPC1-7):H01H33/66
主分类号
H01H1/20
代理机构
代理人
主权项
地址
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