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发明名称
Perfectionnements aux chaussées et aux procédés pour leur construction
摘要
申请公布号
FR738797(A)
申请公布日期
1932.12.29
申请号
FRD738797
申请日期
1932.06.18
申请人
发明人
SMALL FRANCIS GORDON
分类号
E01C5/16
主分类号
E01C5/16
代理机构
代理人
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