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发明名称
VENTILATION VALVE-GRATE
摘要
申请公布号
SU1716270(A1)
申请公布日期
1992.02.28
申请号
SU19894676036
申请日期
1989.04.07
申请人
SYCHEV ALEKSANDR T,SU;VOJTEKHOVICH VLADIMIR K,SU;KHASENEVICH ANDREJ R,SU;STAROVEROV VIKTOR M,SU
发明人
SYCHEV ALEKSANDR T,SU;VOJTEKHOVICH VLADIMIR K,SU;KHASENEVICH ANDREJ R,SU;STAROVEROV VIKTOR M,SU
分类号
F24F13/08;F24F13/06
主分类号
F24F13/08
代理机构
代理人
主权项
地址
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