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发明名称
MODELO DE ELEMENTO DE COBERTURA
摘要
申请公布号
BR5901174(U)
申请公布日期
1980.02.26
申请号
BR19790001174U
申请日期
1979.09.03
申请人
BARETO L
发明人
BARETO L
分类号
E04B7/12;(IPC1-7):E04B7/12
主分类号
E04B7/12
代理机构
代理人
主权项
地址
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