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发明名称
SPARKPLUG AND MANUFACTURING METHOD THEREFOR
摘要
申请公布号
EP2333916(A4)
申请公布日期
2013.08.14
申请号
EP20090819266
申请日期
2009.10.09
申请人
NGK SPARK PLUG CO., LTD.
发明人
KATO TOMOAKI
分类号
H01T13/20;H01T13/39;H01T21/02
主分类号
H01T13/20
代理机构
代理人
主权项
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