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经营范围
发明名称
ROOF CONSTRUCTION
摘要
申请公布号
GB2028905(B)
申请公布日期
1982.11.03
申请号
GB19790026858
申请日期
1979.08.01
申请人
CROGGON & CO LTD
发明人
分类号
E04B1/35;(IPC1-7):E04B1/35
主分类号
E04B1/35
代理机构
代理人
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地址
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