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发明名称
DISPOSITIVO ABSORVEDOR DE RUIDOS
摘要
申请公布号
BR8002334(A)
申请公布日期
1981.11.24
申请号
BR19800002334
申请日期
1980.04.15
申请人
LEMOS J
发明人
LEMOS J
分类号
E03D5/09;(IPC1-7):E03D5/09
主分类号
E03D5/09
代理机构
代理人
主权项
地址
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