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发明名称
Equatorially sealed spark plug and method of making the same
摘要
申请公布号
US1862981(A)
申请公布日期
1932.06.14
申请号
US19280327550
申请日期
1928.12.21
申请人
A C SPARK PLUG COMPANY
发明人
RABEZZANA HECTOR
分类号
H01T21/02
主分类号
H01T21/02
代理机构
代理人
主权项
地址
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