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发明名称
Mounting light filter
摘要
申请公布号
US1910855(A)
申请公布日期
1933.05.23
申请号
US19320594456
申请日期
1932.02.23
申请人
FARIES MANUFACTURING COMPANY
发明人
OBERMEYER JOSEPH;BOSTROEM AUGUST
分类号
F21V17/00;F21V17/02
主分类号
F21V17/00
代理机构
代理人
主权项
地址
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