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经营范围
发明名称
TUBULAR COLTER
摘要
申请公布号
SU1665909(A1)
申请公布日期
1991.07.30
申请号
SU19894714784
申请日期
1989.07.03
申请人
N-PROIZV OB "VOLGOGRADSKOE"
发明人
ZAKHAROV PETR YA,SU
分类号
A01C7/20
主分类号
A01C7/20
代理机构
代理人
主权项
地址
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