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发明名称
BEAM FOR USE IN CONSTRUCTION
摘要
申请公布号
GB1551422(A)
申请公布日期
1979.08.30
申请号
GB19760041914
申请日期
1976.10.08
申请人
HIRN (IRELAND) LTD JOHN
发明人
分类号
E04C3/02;E04C3/18;E04C3/292;(IPC1-7):E04C3/29
主分类号
E04C3/02
代理机构
代理人
主权项
地址
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