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经营范围
发明名称
ROTARY WATER JET UNIT
摘要
申请公布号
SU612025(A1)
申请公布日期
1978.06.25
申请号
SU19752167388
申请日期
1975.06.20
申请人
NI SEKTOR V PROEKTNO-IZYSKATELSKOGO NII "GIDROPROEKT" IM.S.YA.ZHUKA
发明人
LYAKHTER VIKTOR M,SU;NIKOLAEV VALENTIN P,SU
分类号
E21C45/00;(IPC1-7):E21C45/00
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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