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发明名称
USINA VACUO ELETRICA
摘要
申请公布号
BR8706330(A)
申请公布日期
1989.06.13
申请号
BR1987PI06330
申请日期
1987.11.24
申请人
DEMERVAL DA SILVA
发明人
DEMERVAL DA SILVA
分类号
H02N11/00;(IPC1-7):H02N11/00
主分类号
H02N11/00
代理机构
代理人
主权项
地址
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