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发明名称
PLUG FOR PROTECTION OF HOLLOW OF EMBEDDED FITTING OF REINFORCED CONCRETE PRODUCT
摘要
申请公布号
RU2004740(C1)
申请公布日期
1993.12.15
申请号
SU19904871885
申请日期
1990.10.10
申请人
BEREZIN TROFIM A
发明人
BEREZIN TROFIM A
分类号
E04G17/06;B28B7/02;(IPC1-7):E04G17/06
主分类号
E04G17/06
代理机构
代理人
主权项
地址
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