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发明名称
SWITCH
摘要
申请公布号
GB2211999(A)
申请公布日期
1989.07.12
申请号
GB19880025547
申请日期
1988.11.01
申请人
* SEIKOSHA CO LTD
发明人
HIDEO * ASO
分类号
G04G21/00;G04C3/00;H01H23/02;H01H23/30
主分类号
G04G21/00
代理机构
代理人
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地址
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