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经营范围
发明名称
Improvements in or relating to felt base floor covering
摘要
申请公布号
GB349792(A)
申请公布日期
1931.06.04
申请号
GB19300018042
申请日期
1930.06.12
申请人
ARMSTRONG CORK COMPANY
发明人
分类号
D06N7/00
主分类号
D06N7/00
代理机构
代理人
主权项
地址
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