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发明名称
APERFEICOAMENTO EM BUZINA ELETRICA
摘要
申请公布号
BR5800519(U)
申请公布日期
1978.11.07
申请号
BR19780000519U
申请日期
1978.05.02
申请人
MARTINS J;WELLENDORF O
发明人
MARTINS J;WELLENDORF O
分类号
主分类号
代理机构
代理人
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