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经营范围
发明名称
Spark plug
摘要
申请公布号
GB712517(A)
申请公布日期
1954.07.28
申请号
GB19520008420
申请日期
1949.07.15
申请人
STANLEY GUSTAV DEHN, M.A.
发明人
分类号
H01T13/34
主分类号
H01T13/34
代理机构
代理人
主权项
地址
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