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经营范围
发明名称
Roof construction
摘要
申请公布号
GB9930470(D0)
申请公布日期
2000.02.16
申请号
GB19990030470
申请日期
1999.12.23
申请人
MACA R & D LIMITED
发明人
分类号
E04B7/02;E04B7/06;E04B7/20;E04B7/24
主分类号
E04B7/02
代理机构
代理人
主权项
地址
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