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经营范围
发明名称
SWIRL RIPPER OF SUBMERSIBLE DREDGER
摘要
申请公布号
SU653350(A1)
申请公布日期
1979.03.25
申请号
SU19772530599
申请日期
1977.10.05
申请人
NOVOSIBIRSKIJ VNII TRANSPORTNOGO STROITELSTVA
发明人
ROSHCHUPKIN DMITRIJ V,SU;PIMENOV VIKTOR T,SU;KUZNETSOV YURIJ M,SU
分类号
E02F3/90;(IPC1-7):E02F3/90
主分类号
E02F3/90
代理机构
代理人
主权项
地址
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