ES190864A1 - Un procedimiento para grabar, matear y decorar por chorro de arena, vidrio, cristal, celuloide, plexiglás, cerámica y materiales análogos
- Google Patents
Un procedimiento para grabar, matear y decorar por chorro de arena, vidrio, cristal, celuloide, plexiglás, cerámica y materiales análogos
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ES190864A1949-12-171949-12-17Un procedimiento para grabar, matear y decorar por chorro de arena, vidrio, cristal, celuloide, plexiglás, cerámica y materiales análogos
ExpiredES190864A1
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Un nuevo procedimiento para la fabricación de mosaicos, piedra o mármol artificial y, en general, piezas precisadas para la construcción y o decoración