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发明名称
Spark plug
摘要
申请公布号
US4786267(A)
申请公布日期
1988.11.22
申请号
US19880159607
申请日期
1988.02.24
申请人
NGK SPARK PLUG CO., LTD.
发明人
TOYA, AKIHIRO;YAMAGUCHI, TAKASHI;KAGAWA, JUNICHI;YOKOTA, KAZUNORI
分类号
H01T13/39;B22F3/105;B22F7/08;F02B75/02;H01T21/02;(IPC1-7):H01T21/02;B23K20/10
主分类号
H01T13/39
代理机构
代理人
主权项
地址
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