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经营范围
发明名称
AN AUTOMATIC DARK SWITCH
摘要
申请公布号
PL263191(A1)
申请公布日期
1988.07.21
申请号
PL19860263191
申请日期
1986.12.19
申请人
发明人
分类号
H01H;H03K;(IPC1-7):H01H/;H03K/
主分类号
H01H
代理机构
代理人
主权项
地址
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