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发明名称
Improvements in materials for roads and ways, floors, walls, sports grounds and the like, and other purposes
摘要
申请公布号
GB375288(A)
申请公布日期
1932.06.13
申请号
GB19310007761
申请日期
1931.03.13
申请人
EDITH OTTOLINE COWPER
发明人
分类号
C08L19/00;E01C7/26
主分类号
C08L19/00
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代理人
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