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发明名称
ROOFS
摘要
申请公布号
GB9209339(D0)
申请公布日期
1992.06.17
申请号
GB19920009339
申请日期
1992.04.30
申请人
ULTRAFRAME PLC
发明人
分类号
E04D3/06;E04D3/08;E04D13/17
主分类号
E04D3/06
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代理人
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