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经营范围
发明名称
BUTT JOINT OF REINFORCED CONCRETE ELEMENTS
摘要
申请公布号
SU709770(A1)
申请公布日期
1980.01.15
申请号
SU19721768855
申请日期
1972.04.06
申请人
SERGEEVA GALINA B,SU
发明人
SERGEEVA GALINA B,SU
分类号
E04B1/38;(IPC1-7):E04B1/38
主分类号
E04B1/38
代理机构
代理人
主权项
地址
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