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发明名称
Illumination means for revolving doors
摘要
申请公布号
US2136323(A)
申请公布日期
1938.11.08
申请号
US19380204846
申请日期
1938.04.28
申请人
INTERNATIONAL DOOR COMPANY
发明人
SHIELDS JOHN W.
分类号
F21S8/02
主分类号
F21S8/02
代理机构
代理人
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地址
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