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发明名称
ROOF FOR BUILDING OR STRUCTURE
摘要
申请公布号
SU975955(A1)
申请公布日期
1982.11.23
申请号
SU19813285776
申请日期
1981.04.29
申请人
LE I INZHENEROV ZHELEZNODOROZHNOGO TRANSPORTA IM.AKAD.V.N.OBRAZTSOVA
发明人
ZABRODIN MIKHAIL P,SU;ALEKSASHKIN EVGENIJ N,SU;EGOROV VLADIMIR V,SU
分类号
E04B7/14;(IPC1-7):E04B7/14
主分类号
E04B7/14
代理机构
代理人
主权项
地址
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