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发明名称
Boring type mining machine with tilt limiting means
摘要
申请公布号
US2765154(A)
申请公布日期
1956.10.02
申请号
US19530391493
申请日期
1953.11.12
申请人
GOODMAN MANUFACTURING COMPANY
发明人
WILMS CARL A.
分类号
E21C35/06
主分类号
E21C35/06
代理机构
代理人
主权项
地址
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