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发明名称
Floor covering and method
摘要
申请公布号
US1956197(A)
申请公布日期
1934.04.24
申请号
US19320592430
申请日期
1932.02.11
申请人
BIRD & SON, INC.
发明人
LINES EDWIN M.
分类号
D06N7/00;D06N7/04
主分类号
D06N7/00
代理机构
代理人
主权项
地址
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