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发明名称
FLOOR COVERING
摘要
申请公布号
CA314792(A)
申请公布日期
1931.09.01
申请号
CAD314792
申请日期
申请人
THE ARMSTRONG CORK COMPANY
发明人
WALTER FREDERICK KAUFMAN;J. CLARENCE MCCARTHY
分类号
主分类号
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代理人
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