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发明名称
摘要
<p>A spark plug in which an ignition portion of a ground electrode formed through joining of a noble metal chip to the ground electrode has high durability, and a method of manufacturing the spark plug.</p>
申请公布号
JP5119269(B2)
申请公布日期
2013.01.16
申请号
JP20090546942
申请日期
2008.12.19
申请人
发明人
分类号
H01T13/39;B23K26/20;C22C5/04;C22C19/05;C22C30/00;H01T13/20
主分类号
H01T13/39
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