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发明名称
METHOD OF PRESTRESSING REINFORCEMENT OF BUILDING ARTICLES
摘要
申请公布号
SU663808(A1)
申请公布日期
1979.05.25
申请号
SU19772518518
申请日期
1977.08.17
申请人
YAKOVLEV IVAN N,SU
发明人
YAKOVLEV IVAN N,SU
分类号
E04G21/12;(IPC1-7):E04G21/12
主分类号
E04G21/12
代理机构
代理人
主权项
地址
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