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发明名称
Improvements in or relating to the laying of concrete and similar pathways and the like in situ
摘要
申请公布号
GB553252(A)
申请公布日期
1943.05.13
申请号
GB19420001244
申请日期
1942.01.29
申请人
THOMAS WASS FLORY
发明人
分类号
E01C19/50
主分类号
E01C19/50
代理机构
代理人
主权项
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