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发明名称
DISPOSICAO CONSTRUTIVA PARA ALTOFALANTE SUBAQUATICO
摘要
申请公布号
BR6000118(U)
申请公布日期
1981.08.04
申请号
BR19800000118U
申请日期
1980.01.31
申请人
CASA SOARES S/A INDUSTRIA E COMERCIO
发明人
SOARES R
分类号
H04R1/44;(IPC1-7):H04R1/44
主分类号
H04R1/44
代理机构
代理人
主权项
地址
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