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发明名称
IMPROVEMENTS IN AND RELATING TO ROOF SLATING
摘要
申请公布号
GB9023264(D0)
申请公布日期
1990.12.05
申请号
GB19900023264
申请日期
1990.10.25
申请人
BROWN, THOMAS S;CURRIE, KENNETH W D
发明人
分类号
E04D1/28;E04D1/34
主分类号
E04D1/28
代理机构
代理人
主权项
地址
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