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发明名称
METHOD FOR PRESTRESSING I-BEAM
摘要
申请公布号
SU1645413(A1)
申请公布日期
1991.04.30
申请号
SU19884376769
申请日期
1988.02.10
申请人
CH POLT I IM.LENINSKOGO KOMSOMOLA
发明人
VAJNSHTEJN EFIM I,SU;AMEND VIKTOR A,SU;DUBOVIK VLADIMIR G,SU
分类号
E04C3/10
主分类号
E04C3/10
代理机构
代理人
主权项
地址
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