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发明名称
Tile
摘要
申请公布号
US1894584(A)
申请公布日期
1933.01.17
申请号
US19290357613
申请日期
1929.04.24
申请人
FORT CLARENCE E
发明人
FORT CLARENCE E.
分类号
E04F13/14
主分类号
E04F13/14
代理机构
代理人
主权项
地址
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