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发明名称
Méthode de construction de tunnels sous l'eau
摘要
申请公布号
FR739046(A)
申请公布日期
1933.01.04
申请号
FRD739046
申请日期
1932.06.24
申请人
发明人
GUNDERSEN AUGUST
分类号
E02D29/077
主分类号
E02D29/077
代理机构
代理人
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