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发明名称
APERFEICOAMENTO EM PORTAS
摘要
申请公布号
BR8201757(A)
申请公布日期
1982.06.15
申请号
BR19820001757
申请日期
1982.03.29
申请人
PERCIVAL LAFER
发明人
PERCIVAL LAFER
分类号
E06B3/48;(IPC1-7):E06B3/48
主分类号
E06B3/48
代理机构
代理人
主权项
地址
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