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发明名称
ROOF STRUCTURE
摘要
申请公布号
GB1484236(A)
申请公布日期
1977.09.01
申请号
GB19760005631
申请日期
1976.02.12
申请人
ELSPAN INT LTD
发明人
分类号
E04B7/08;E04C3/40;(IPC1-7):E04C3/10;E04C3/11
主分类号
E04B7/08
代理机构
代理人
主权项
地址
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