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经营范围
发明名称
Perfectionnements aux étancons métalliques servant au soutènement
摘要
申请公布号
FR750999(A)
申请公布日期
1933.08.24
申请号
FRD750999
申请日期
1932.05.21
申请人
COMPAGNIE DES FORGES DE CHATILLON-COMMENTRY ET NEUVES-MAISONS
发明人
分类号
E21D15/02
主分类号
E21D15/02
代理机构
代理人
主权项
地址
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