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发明名称
SUCTION DREDGER
摘要
申请公布号
SU635240(A1)
申请公布日期
1978.11.30
申请号
SU19721793404
申请日期
1972.06.07
申请人
SYKTYVKARSKIJ O SUDOMEKHANICHESKIJ ZAVOD
发明人
KISELEV GENNADIJ ANDREEVICH,SU;KUKOVITSKIJ FELIKS GRIGOREVICH,SU;SIVKOVA LYUDMILA ILINICHNA,SU;PRIEZZHIJ IVAN IVANOVICH,SU
分类号
E21C45/00;E02F3/88;(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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