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发明名称
SEMEADEIRA DE PRECISAO
摘要
申请公布号
BR7200416(U)
申请公布日期
1993.09.28
申请号
BR1992MU00416U
申请日期
1992.03.23
申请人
JOAO BOSCO CARVALHO DA SILVA
发明人
JOAO BOSCO CARVALHO DA SILVA
分类号
A01C7/04;(IPC1-7):A01C7/04
主分类号
A01C7/04
代理机构
代理人
主权项
地址
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