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发明名称
BEAM WITH PERFORATED WALL
摘要
申请公布号
RU1770533(C)
申请公布日期
1992.10.23
申请号
SU19894761912
申请日期
1989.11.21
申请人
G SOYUZNYJ SIBIRSKIJ NII AVIATSII IM.S.A.CHAPLYGINA
发明人
KHVATKIN YURIJ S,SU;DOBRACHEV VALERIJ M,SU
分类号
E04C3/08
主分类号
E04C3/08
代理机构
代理人
主权项
地址
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