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发明名称
DETACHABLE BUTT-JOINT OF FERROCONCRETE ELEMENTS
摘要
申请公布号
SU1470888(A1)
申请公布日期
1989.04.07
申请号
SU19874288186
申请日期
1987.07.21
申请人
DRYUPIN NIKOLAJ V,SU
发明人
DRYUPIN NIKOLAJ V,SU
分类号
E04B1/38
主分类号
E04B1/38
代理机构
代理人
主权项
地址
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