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发明名称
Spark plug
摘要
申请公布号
EP0933846(B1)
申请公布日期
2001.05.23
申请号
EP19990300733
申请日期
1999.02.01
申请人
NGK SPARK PLUG CO. LTD.
发明人
MATSUBARA, YOSHIHIRO
分类号
H01T13/20;H01T13/14;H01T13/46;(IPC1-7):H01T13/14
主分类号
H01T13/20
代理机构
代理人
主权项
地址
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