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发明名称
EXHAUST VENTILATION ARRANGEMENT
摘要
申请公布号
SU1511354(A2)
申请公布日期
1989.09.30
申请号
SU19874255407
申请日期
1987.06.02
申请人
BRESTSKIJ INZH-STR INSTITUT
发明人
USTINOV BORIS S,SU
分类号
E04D13/143;E04B7/18;E04D13/00
主分类号
E04D13/143
代理机构
代理人
主权项
地址
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