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发明名称
Laying wood block flooring
摘要
申请公布号
US1925070(A)
申请公布日期
1933.08.29
申请号
US19300486457
申请日期
1930.10.04
申请人
E. L. BRUCE COMPANY
发明人
LIVEZEY WILLIAM F.
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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