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发明名称
Floor covering
摘要
申请公布号
US2121679(A)
申请公布日期
1938.06.21
申请号
US19350009913
申请日期
1935.03.07
申请人
KRAFELT CORPORATION OF AMERICA
发明人
ARVIN JAMES AUGUSTUS;SCHWARTZ GEORGE LEWIS
分类号
D06N7/00
主分类号
D06N7/00
代理机构
代理人
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