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发明名称
Spark plug and method of making the same
摘要
申请公布号
US2053369(A)
申请公布日期
1936.09.08
申请号
US19310546557
申请日期
1931.06.24
申请人
CHAMPION SPARK PLUG COMPANY
发明人
JEFFERY JOSEPH A.
分类号
H01T13/38
主分类号
H01T13/38
代理机构
代理人
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地址
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