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发明名称
LIGHT SHAFT IN FLOOR FOR ROOMS WITH TECHNICAL LEVEL
摘要
申请公布号
SU699134(A1)
申请公布日期
1979.11.25
申请号
SU19782582067
申请日期
1978.02.17
申请人
NII STROITELNOJ FIZ GOSSTROYA SSSR
发明人
ZEMTSOV VIKTOR A,SU;KIREEV NIKOLAJ N,SU
分类号
E04B7/18;F21S11/00;F21S19/00
主分类号
E04B7/18
代理机构
代理人
主权项
地址
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