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发明名称
Protecting socket for spark plugs
摘要
申请公布号
US2057390(A)
申请公布日期
1936.10.13
申请号
US19330692177
申请日期
1933.10.04
申请人
LOUIS METAILLER RENE
发明人
METAILLER RENE LOUIS
分类号
H01T13/54
主分类号
H01T13/54
代理机构
代理人
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