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发明名称
BUCKET-TYPE DRILL
摘要
申请公布号
SU630343(A1)
申请公布日期
1978.10.30
申请号
SU19772454933
申请日期
1977.02.21
申请人
V PROEKTNOIZYSKATELSKIJ NII "GIDROPROEKT" IM. S.YA.ZHUKA
发明人
ALEKSEEV DMITRIJ A,SU
分类号
(IPC1-7):E02D17/14
主分类号
(IPC1-7):E02D17/14
代理机构
代理人
主权项
地址
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