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发明名称
Shade holder
摘要
申请公布号
US1759985(A)
申请公布日期
1930.05.27
申请号
US19270163651
申请日期
1927.01.26
申请人
HOLOPHANE COMPANY, INC.
发明人
JENKINS HOWARD LE ROY
分类号
F21V17/04
主分类号
F21V17/04
代理机构
代理人
主权项
地址
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