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发明名称
摘要
申请公布号
JPS6055462(B2)
申请公布日期
1985.12.05
申请号
JP19790140599
申请日期
1979.10.31
申请人
NGK SPARK PLUG CO
发明人
KONDO KAZUO;TAKAMI AKIO
分类号
C04B35/16
主分类号
C04B35/16
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代理人
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