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发明名称
Spark plug
摘要
申请公布号
US2320617(A)
申请公布日期
1943.06.01
申请号
US19410393089
申请日期
1941.05.12
申请人
EYVIND SVENDSEN
发明人
LANDRUM REGINALD F.
分类号
H01T13/46
主分类号
H01T13/46
代理机构
代理人
主权项
地址
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