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发明名称
Perfectionnements aux procédés de coffrage de galeries et dispositifs pour la miseen oeuvre
摘要
申请公布号
FR1219288(A)
申请公布日期
1960.05.17
申请号
FR19580782285
申请日期
1958.12.22
申请人
SOCIETE D'ETUDES POUR LA FRANCE ET L'ETRANGER
发明人
分类号
E21D11/10
主分类号
E21D11/10
代理机构
代理人
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