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发明名称
Dispositif auxiliaire pour charger les matériaux entassés en vrac dans un transporteur, par exemple au cours du percement d'un tunnel
摘要
申请公布号
FR991884(A)
申请公布日期
1951.10.11
申请号
FRD991884
申请日期
1949.05.21
申请人
GEWERKSCHAFT EISENHU:TTE WESTFALIA
发明人
分类号
E21D9/12
主分类号
E21D9/12
代理机构
代理人
主权项
地址
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