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经营范围
发明名称
ELECTRICAL SWITCHGEAR
摘要
申请公布号
GB8705885(D0)
申请公布日期
1987.04.15
申请号
GB19870005885
申请日期
1987.03.12
申请人
YS SECURITIES LTD
发明人
分类号
H01H31/00;H02B13/035
主分类号
H01H31/00
代理机构
代理人
主权项
地址
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