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发明名称
AZULEJOS ACUSTICOS
摘要
申请公布号
BR7708142(A)
申请公布日期
1979.06.19
申请号
BR19770008142
申请日期
1977.12.07
申请人
KLABIN IRMAOS & CIA
发明人
MALHEIROS L
分类号
E04B1/62;E04F13/14;(IPC1-7):E04F13/14
主分类号
E04B1/62
代理机构
代理人
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