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发明名称
Mechanical device for loading the excavated material produced in the boring of vertical shafts
摘要
申请公布号
GB729264(A)
申请公布日期
1955.05.04
申请号
GB19530013283
申请日期
1953.05.12
申请人
ARTHUR HAULOTTE
发明人
分类号
B66C3/16;E21D1/04
主分类号
B66C3/16
代理机构
代理人
主权项
地址
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