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发明名称
SPARK PLUG
摘要
申请公布号
CA397829(A)
申请公布日期
1941.07.08
申请号
CAD397829
申请日期
申请人
PRODUCTIVE INVENTIONS
发明人
EARL E. BIDWELL
分类号
主分类号
代理机构
代理人
主权项
地址
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