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发明名称
SURFACE COVERING
摘要
申请公布号
GB8924510(D0)
申请公布日期
1989.12.20
申请号
GB19890024510
申请日期
1989.10.31
申请人
ARMSTRONG WORLD INDUSTRIES INC
发明人
分类号
B44C5/04;B44F1/04;B44F1/08;E04B9/04;E04F13/08;E04F13/16
主分类号
B44C5/04
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