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发明名称
Roofing panel
摘要
申请公布号
GB2073275(A)
申请公布日期
1981.10.14
申请号
GB19800011219
申请日期
1980.04.03
申请人
METAL BOX LTD
发明人
分类号
E04B7/20;E04D3/35;(IPC1-7):E04C2/36;E04B7/10
主分类号
E04B7/20
代理机构
代理人
主权项
地址
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