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经营范围
发明名称
ELECTRICAL SWITCH
摘要
申请公布号
GB8721419(D0)
申请公布日期
1987.10.21
申请号
GB19870021419
申请日期
1987.09.11
申请人
CHU WAI CHEONG
发明人
分类号
H01H23/06
主分类号
H01H23/06
代理机构
代理人
主权项
地址
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