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发明名称
Engin d'évacuation de déblais en tunnel
摘要
申请公布号
FR1171247(A)
申请公布日期
1959.01.23
申请号
FRD1171247
申请日期
1957.04.16
申请人
发明人
HAULOTTE ARTHUR
分类号
E21D9/12;E21F13/02
主分类号
E21D9/12
代理机构
代理人
主权项
地址
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