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发明名称
EXCAVATOR BUCKET WORKING IMPLEMENT
摘要
申请公布号
SU616379(A1)
申请公布日期
1978.07.25
申请号
SU19772447776
申请日期
1977.01.28
申请人
NI OK I AVTOM CHERNOJ METALLURGII
发明人
LYASHENKO VITALIJ P,SU;CHERNYJ ANATOLIJ YA,SU
分类号
E21C35/18;E02F9/28;(IPC1-7):E02F9/28;E21C25/38
主分类号
E21C35/18
代理机构
代理人
主权项
地址
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