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经营范围
发明名称
Lighting torches
摘要
申请公布号
US2836043(A)
申请公布日期
1958.05.27
申请号
US19540473328
申请日期
1954.12.06
申请人
OTTO SPETHMANN
发明人
SPETHMANN OTTO
分类号
F21S13/12;F21V37/02
主分类号
F21S13/12
代理机构
代理人
主权项
地址
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