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发明名称
Tile
摘要
申请公布号
US2008370(A)
申请公布日期
1935.07.16
申请号
US19330672273
申请日期
1933.05.22
申请人
SCHWALBE LESTER E
发明人
SCHWALBE LESTER E.
分类号
E04B2/02
主分类号
E04B2/02
代理机构
代理人
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