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经营范围
发明名称
Sparking plugs
摘要
申请公布号
GB491837(A)
申请公布日期
1938.09.09
申请号
GB19380005858
申请日期
1938.02.24
申请人
LUDWIG KRAL
发明人
分类号
H01T13/52
主分类号
H01T13/52
代理机构
代理人
主权项
地址
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