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发明名称
Lamp hood for electric lamps
摘要
申请公布号
US1753273(A)
申请公布日期
1930.04.08
申请号
US19260123979
申请日期
1926.07.21
申请人
LAIB WILLIAM L
发明人
LAIB WILLIAM L.
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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