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发明名称
SPARK PLUG FOR INTERNAL-COMBUSTION ENGINE, AND MANUFACTURE THEREOF
摘要
申请公布号
JPH04104491(A)
申请公布日期
1992.04.06
申请号
JP19900223650
申请日期
1990.08.23
申请人
NIPPONDENSO CO LTD
发明人
TAKAMURA KOZO
分类号
H01T13/20;H01T13/32;H01T21/02
主分类号
H01T13/20
代理机构
代理人
主权项
地址
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