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发明名称
Adjustable lamp shade
摘要
申请公布号
US2714155(A)
申请公布日期
1955.07.26
申请号
US19510261467
申请日期
1951.12.13
申请人
MEM C. WEIR
发明人
JOHNSON ERICK
分类号
F21V1/00
主分类号
F21V1/00
代理机构
代理人
主权项
地址
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