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发明名称
Electric-lamp shade
摘要
申请公布号
US1801991(A)
申请公布日期
1931.04.21
申请号
US19290343907
申请日期
1929.03.02
申请人
ANDERSEN LAURITZ W
发明人
ANDERSEN LAURITZ W.
分类号
F21S6/00
主分类号
F21S6/00
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