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发明名称
DEVICE FOR FISHING DREDGER BUCKETS AT BREAK OF CHAIN
摘要
申请公布号
SU623924(A1)
申请公布日期
1978.09.15
申请号
SU19772485154
申请日期
1977.05.10
申请人
KAZAKOV YURIJ M,SU;NEUDACHIN GERMAN A,SU
发明人
KAZAKOV YURIJ M,SU;NEUDACHIN GERMAN A,SU
分类号
E02F3/16;E21C45/00;(IPC1-7):E02F3/16
主分类号
E02F3/16
代理机构
代理人
主权项
地址
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