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发明名称
Spark plug construction
摘要
申请公布号
US2543962(A)
申请公布日期
1951.03.06
申请号
US19490078619
申请日期
1949.02.26
申请人
UNITED STATES QUARRY TILE COMPANY
发明人
FEICHTER HAROLD R.
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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