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经营范围
发明名称
Spark plug
摘要
申请公布号
US2171014(A)
申请公布日期
1939.08.29
申请号
US19390259207
申请日期
1939.03.01
申请人
MARION THOMEN
发明人
THOMEN MARION
分类号
H01T13/38
主分类号
H01T13/38
代理机构
代理人
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地址
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