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发明名称
GRADE PROTETORA
摘要
申请公布号
BR6200660(U)
申请公布日期
1983.03.15
申请号
BR19820000660U
申请日期
1982.05.14
申请人
CONSTRUTORA BARRETO BARSOTTI LTD
发明人
BARSOTTI JOSE CARLOS
分类号
E03F5/06;(IPC1-7):E03F5/06
主分类号
E03F5/06
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代理人
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