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发明名称
MICROFONE OTICO
摘要
申请公布号
BR8802768(A)
申请公布日期
1990.01.16
申请号
BR1988PI02768
申请日期
1988.06.02
申请人
MAURO HENRIQUE DE PAULA;APARECIDO AUGUSTO DE CARVALHO;RENE DE OSTE
发明人
MAURO HENRIQUE DE PAULA
分类号
G01N21/17;H04R23/00;(IPC1-7):H04R23/02;G02F1/33;H04B9/00
主分类号
G01N21/17
代理机构
代理人
主权项
地址
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