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经营范围
发明名称
Wood flooring
摘要
申请公布号
US1808591(A)
申请公布日期
1931.06.02
申请号
US19290354124
申请日期
1929.04.10
申请人
E. L. BRUCE COMPANY
发明人
BRUCE CHARLES ARTHUR
分类号
E04F15/04
主分类号
E04F15/04
代理机构
代理人
主权项
地址
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