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发明名称
OPENER DEPTH CONTROL
摘要
申请公布号
RU2001544(C1)
申请公布日期
1993.10.30
申请号
SU19914942387
申请日期
1991.06.05
申请人
SALDAEV ALEKSANDR M
发明人
SALDAEV ALEKSANDR M
分类号
A01C7/20;(IPC1-7):A01C7/20
主分类号
A01C7/20
代理机构
代理人
主权项
地址
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