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发明名称
Means for use in laying concrete pathways and the like
摘要
申请公布号
US2338630(A)
申请公布日期
1944.01.04
申请号
US19420436596
申请日期
1942.03.28
申请人
WASS FLORY THOMAS
发明人
FLORY THOMAS WASS
分类号
E01C19/50
主分类号
E01C19/50
代理机构
代理人
主权项
地址
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