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经营范围
发明名称
Packing for insulators in sparking plugs
摘要
申请公布号
US2250355(A)
申请公布日期
1941.07.22
申请号
US19390289031
申请日期
1939.08.08
申请人
JOSEF BRUCK
发明人
BRUCK JOSEF
分类号
H01T13/36
主分类号
H01T13/36
代理机构
代理人
主权项
地址
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