ES47262A3 - Un procedimiento para producir la marcha de las bandas o tiras perforadas en los aparatos pneumáticos para tocar el piano.
- Google Patents
Un procedimiento para producir la marcha de las bandas o tiras perforadas en los aparatos pneumáticos para tocar el piano.
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ES47262A1910-01-241910-01-24Un procedimiento para producir la marcha de las bandas o tiras perforadas en los aparatos pneumáticos para tocar el piano.
ExpiredES47262A3
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