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发明名称
METHOD OF FORMING PRESTRESSED FERROCONCRETE BEND ELEMENTS
摘要
申请公布号
SU1596045(A1)
申请公布日期
1990.09.30
申请号
SU19874319659
申请日期
1987.10.23
申请人
KRIVOROZHSKIJ GORNORUDNYJ INSTITUT
发明人
SHISHKIN ALEKSANDR A,SU
分类号
E04G21/12
主分类号
E04G21/12
代理机构
代理人
主权项
地址
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