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发明名称
Perfectionnements aux galeries ou voûtes enterrées
摘要
申请公布号
FR1207147(A)
申请公布日期
1960.02.15
申请号
FRD1207147
申请日期
1958.08.23
申请人
ETABLISSEMENTS SAINRAPT ET BRICE
发明人
BRICE LOUIS-PIERRE
分类号
E02D29/05;E21D11/04
主分类号
E02D29/05
代理机构
代理人
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