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发明名称
Method of effecting seal between center electrode and insulator of spark plugs
摘要
申请公布号
US2351128(A)
申请公布日期
1944.06.13
申请号
US19420432025
申请日期
1942.02.23
申请人
CHAMPION SPARK PLUG COMPANY
发明人
JEFFERY JOSEPH A.
分类号
H01T13/34
主分类号
H01T13/34
代理机构
代理人
主权项
地址
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