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发明名称
Lamp shade
摘要
申请公布号
US2269128(A)
申请公布日期
1942.01.06
申请号
US19390309077
申请日期
1939.12.13
申请人
ROSS DAVID J
发明人
ROSS DAVID J.
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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