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发明名称
Tile partition
摘要
申请公布号
US1862831(A)
申请公布日期
1932.06.14
申请号
US19310544075
申请日期
1931.06.13
申请人
RYAN JAMES H
发明人
RYAN JAMES H.
分类号
E04B2/78
主分类号
E04B2/78
代理机构
代理人
主权项
地址
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