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发明名称
BUTT JOINT OF METAL STRUCTURE ELEMENTS
摘要
申请公布号
SU737546(A1)
申请公布日期
1980.05.30
申请号
SU19772522745
申请日期
1977.09.12
申请人
VNII TRANSPORTNOGO STROITELSTVA
发明人
KAMENTSEV VLADIMIR P,SU;LIFSHITS ISAAK L,SU;MOJZHES LEONID B,SU
分类号
E21D7/00;E04B1/38;(IPC1-7):E01D7/00
主分类号
E21D7/00
代理机构
代理人
主权项
地址
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