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发明名称
Spark plug for internal combustion engine and method of manufacturing the same
摘要
申请公布号
EP2020713(B1)
申请公布日期
2011.03.23
申请号
EP20080013795
申请日期
2008.07.31
申请人
NGK SPARK PLUG CO., LTD.
发明人
HIROYUKI KAMEDA
分类号
H01T13/32;H01T21/02
主分类号
H01T13/32
代理机构
代理人
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地址
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