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发明名称
Spark plug
摘要
申请公布号
US2473317(A)
申请公布日期
1949.06.14
申请号
US19460643994
申请日期
1946.01.29
申请人
WEBBER HARRY R
发明人
WEBBER HARRY 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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