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经营范围
发明名称
SPARK PLUG
摘要
申请公布号
JPH0554953(A)
申请公布日期
1993.03.05
申请号
JP19910213697
申请日期
1991.08.26
申请人
NGK SPARK PLUG CO LTD
发明人
OSHIMA TAKAFUMI;IWATA KAZUYA;OKAYAMA TSUTOMU
分类号
H01T13/20
主分类号
H01T13/20
代理机构
代理人
主权项
地址
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