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经营范围
发明名称
Spark plug
摘要
申请公布号
US2142383(A)
申请公布日期
1939.01.03
申请号
US19380215861
申请日期
1938.06.25
申请人
OTIS T. HODGE
发明人
SMITH CHARLES
分类号
H01T13/56
主分类号
H01T13/56
代理机构
代理人
主权项
地址
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