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经营范围
发明名称
Improved shielded spark plug assembly
摘要
申请公布号
GB546424(A)
申请公布日期
1942.07.13
申请号
GB19410007916
申请日期
1941.06.24
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
H04B15/02
主分类号
H04B15/02
代理机构
代理人
主权项
地址
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