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发明名称
IMPROVEMENTS IN OR RELATING TO PAVING OR BUILDING BLOCKS
摘要
申请公布号
PT76697(B)
申请公布日期
1986.01.27
申请号
PT19830076697
申请日期
1983.05.16
申请人
CHRISTOPHER DOUGLAS HODSON
发明人
分类号
E01C5/00;(IPC1-7):E01C5/12
主分类号
E01C5/00
代理机构
代理人
主权项
地址
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