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发明名称
摘要
申请公布号
JPH0345491(B2)
申请公布日期
1991.07.11
申请号
JP19870272889
申请日期
1987.10.28
申请人
NGK INSULATORS LTD
发明人
FUKAMI YUKITERU
分类号
H01B17/34;H01B17/28
主分类号
H01B17/34
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代理人
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