ES21614A1 - Un procedimiento de preparación y de reducción de los desechos de cuero para cambiarlos en pasta fibrosa denominada "El Fibroleum".
- Google Patents
Un procedimiento de preparación y de reducción de los desechos de cuero para cambiarlos en pasta fibrosa denominada "El Fibroleum".
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ES21614A1897-10-211897-10-21Un procedimiento de preparación y de reducción de los desechos de cuero para cambiarlos en pasta fibrosa denominada "El Fibroleum".
ExpiredES21614A1
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