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发明名称
Spark plug
摘要
申请公布号
US2208708(A)
申请公布日期
1940.07.23
申请号
US19390277073
申请日期
1939.06.02
申请人
SPRAGUE SPECIALTIES COMPANY
发明人
SPRAGUE FRANK DESMOND
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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