PT101972A - Produtos para construcao civil usando materiais compositos contendo residuos de couro e/ou texteis e respectivo processo de obtencao
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Produtos para construcao civil usando materiais compositos contendo residuos de couro e/ou texteis e respectivo processo de obtencao
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PT10197297A1997-02-261997-02-26Produtos para construcao civil usando materiais compositos contendo residuos de couro e/ou texteis e respectivo processo de obtencao
PT101972B
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