ES46953A1 - Un procedimiento perfeccionado para obtener el endurecimiento del acero destinado a la fabricación de proyectiles y piezas diversas.
- Google Patents
Un procedimiento perfeccionado para obtener el endurecimiento del acero destinado a la fabricación de proyectiles y piezas diversas.
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Individual
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Individual
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ES46953A1909-12-131909-12-13Un procedimiento perfeccionado para obtener el endurecimiento del acero destinado a la fabricación de proyectiles y piezas diversas.
ExpiredES46953A1
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