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发明名称
Guide for attaching a lamp to a wall
摘要
申请公布号
US2764817(A)
申请公布日期
1956.10.02
申请号
US19520277102
申请日期
1952.03.18
申请人
NARAS RESEARCH, INC.
发明人
SCHWARTZ NATHAN RODNEY
分类号
F21V21/02
主分类号
F21V21/02
代理机构
代理人
主权项
地址
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