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发明名称
ISOLADOR CERAMICO DE ALTO TEOR DE ALUMINA PARA VELA DE IGNICAO
摘要
申请公布号
BR8900770(A)
申请公布日期
1989.10.17
申请号
BR1989PI00770
申请日期
1989.02.16
申请人
NGK SPARK PLUG CO. LTD.
发明人
MAKOTO SUGIMOTO
分类号
C04B35/111;C04B35/10;H01B3/12;H01T13/38;(IPC1-7):C04B35/10
主分类号
C04B35/111
代理机构
代理人
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地址
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