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经营范围
发明名称
Wood block flooring
摘要
申请公布号
US2015813(A)
申请公布日期
1935.10.01
申请号
US19310550306
申请日期
1931.07.13
申请人
NATIONAL WOOD PRODUCTS CO.
发明人
NIELSEN HERMAN C.
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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