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发明名称
SUCTION ARRANGEMENT FOR SUCTION DREDGER
摘要
申请公布号
SU1507921(A2)
申请公布日期
1989.09.15
申请号
SU19864147935
申请日期
1986.11.17
申请人
NOVOSIBIRSK VNII TRANSP
发明人
ZDOBNINA VALENTINA D,SU;ROSHCHUPKIN DMITRIJ V,SU
分类号
E02F3/90
主分类号
E02F3/90
代理机构
代理人
主权项
地址
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