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发明名称
Improvements in spark plugs
摘要
申请公布号
GB725365(A)
申请公布日期
1955.03.02
申请号
GB19530010267
申请日期
1953.04.15
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
H01T13/06
主分类号
H01T13/06
代理机构
代理人
主权项
地址
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