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发明名称
Spark plug
摘要
申请公布号
US1968225(A)
申请公布日期
1934.07.31
申请号
US19320642910
申请日期
1932.11.16
申请人
SHELL GUSTAVE A;BERNARD ZETTERLUND
发明人
SHELL GUSTAVE A.;ZETTERLUND BERNARD
分类号
H01T13/39
主分类号
H01T13/39
代理机构
代理人
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地址
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