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发明名称
VALVULA APERFEICOADA
摘要
申请公布号
BR8103424(A)
申请公布日期
1983.01.04
申请号
BR19810003424
申请日期
1981.06.01
申请人
BASSETTO MARIO FERRANTE
发明人
BASSETTO MARIO FERRANTE
分类号
E03D3/02;(IPC1-7):E03D3/02
主分类号
E03D3/02
代理机构
代理人
主权项
地址
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