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发明名称
JANELA COM ABERTURAS MULTIPLAS
摘要
申请公布号
BR8102237(A)
申请公布日期
1982.11.16
申请号
BR19810002237
申请日期
1981.04.13
申请人
BRAUN HELMUTH ERNST
发明人
BRAUN HELMUTH ERNST
分类号
E06B3/50;(IPC1-7):E06B3/50
主分类号
E06B3/50
代理机构
代理人
主权项
地址
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