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Improvement in the process for the preparation of polyols of copolimeros grafts; copolimero grafted, dispersao of copolimero grafted.Improvement in the process for preparing a foamed polyurethane and polyurethane foam.
Improvement in the process for the preparation of polyols of copolimeros grafts; copolimero grafted, dispersao of copolimero grafted.Improvement in the process for preparing a foamed polyurethane and polyurethane foam.
