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发明名称
NOVO TIPO DE ENTRETELA E RESPECTIVO PROCESSO DE OBSTENCAO
摘要
申请公布号
BR6790540(D0)
申请公布日期
1973.01.18
申请号
BR19670000540
申请日期
1967.06.20
申请人
IMPREGNADORA DE TECIDOS E PAPEIS ITESPA LTDA
发明人
NAGELSCHMIDT G
分类号
主分类号
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