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经营范围
发明名称
FURROW OPENER
摘要
申请公布号
SU1720528(A1)
申请公布日期
1992.03.23
申请号
SU19894769879
申请日期
1989.12.12
申请人
VORONEZH LESOTEKH INST
发明人
POSHARNIKOV FELIKS V,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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