首页>
外国专利>
process for the preparation of polyhydroxyverbindingen, methods for the preparation of rigid polyurethaanschuimen from this polyhydroxyverbindingen and shaped productsmanufactured under the polyurethaanschuimen thus prepared.
process for the preparation of polyhydroxyverbindingen, methods for the preparation of rigid polyurethaanschuimen from this polyhydroxyverbindingen and shaped productsmanufactured under the polyurethaanschuimen thus prepared.
