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发明名称
METHOD AND DEVICE FOR DIGGING GROUND WITH SCRAPER
摘要
申请公布号
RU2039161(C1)
申请公布日期
1995.07.09
申请号
SU19914945841
申请日期
1991.04.16
申请人
KARPOV BORIS IVANOVICH
发明人
KARPOV BORIS IVANOVICH
分类号
E02F3/64;(IPC1-7):E02F3/64
主分类号
E02F3/64
代理机构
代理人
主权项
地址
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