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发明名称
TROUGH-SHAPED UNIT OF WIRE NET REINFORCED CONCRETE
摘要
申请公布号
PL114722(B1)
申请公布日期
1981.02.28
申请号
PL19780205971
申请日期
1978.04.10
申请人
发明人
分类号
E04C;E04C3/20;(IPC1-7):E04C3/20
主分类号
E04C
代理机构
代理人
主权项
地址
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