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经营范围
发明名称
VENTILATION FLAP
摘要
申请公布号
SU579505(A1)
申请公布日期
1977.11.05
申请号
SU19752158200
申请日期
1975.07.18
申请人
G PI SANTEKHPROEKT
发明人
VAJNBERG YULIJ S,SU;GULISHAMBAROV FEDOR M,SU
分类号
F24F13/08;(IPC1-7):F24F13/08
主分类号
F24F13/08
代理机构
代理人
主权项
地址
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