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经营范围
发明名称
Improvements in open flooring, stair treads or the like
摘要
申请公布号
GB828041(A)
申请公布日期
1960.02.10
申请号
GB19580009248
申请日期
1958.03.22
申请人
BETTLES AND SONS LIMITED
发明人
BETTLES JOHN WILLIAM EDWARD
分类号
E04C2/42
主分类号
E04C2/42
代理机构
代理人
主权项
地址
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