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经营范围
发明名称
ARC EXTINGUISHING HORN
摘要
申请公布号
JPS646331(A)
申请公布日期
1989.01.10
申请号
JP19870160656
申请日期
1987.06.27
申请人
NGK INSULATORS LTD
发明人
NAKAJIMA YASUHIRO;TSUBOI YASUYUKI
分类号
H01B17/46;H01T4/14
主分类号
H01B17/46
代理机构
代理人
主权项
地址
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