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发明名称
ELECTRONIC THREE-STATE STAIR AUTOMATON
摘要
申请公布号
PL151902(B1)
申请公布日期
1990.10.31
申请号
PL19870264495
申请日期
1987.03.04
申请人
发明人
分类号
H01H;H01H43/00;H03K17/296;(IPC1-7):H03K17/296
主分类号
H01H
代理机构
代理人
主权项
地址
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