ES84360A2 - El perfeccionamiento o mejora en la fabricación de bombas centrífugas mediante una nueva disposición mecánica de impulsores especiales.
- Google Patents
El perfeccionamiento o mejora en la fabricación de bombas centrífugas mediante una nueva disposición mecánica de impulsores especiales.
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ES84360A1923-02-081923-02-08El perfeccionamiento o mejora en la fabricación de bombas centrífugas mediante una nueva disposición mecánica de impulsores especiales.
ExpiredES84360A2
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