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经营范围
发明名称
Covering structure
摘要
申请公布号
US2272144(A)
申请公布日期
1942.02.03
申请号
US19400349073
申请日期
1940.08.01
申请人
CONGOLEUM-NAIRN INC.
发明人
ALLEN FRANK M.
分类号
E04D5/10
主分类号
E04D5/10
代理机构
代理人
主权项
地址
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