ES52377A1 - Un procedimiento mecánico para establecer saltos hidráulicos aprovechando las fuerzas de la gravedad desarrolladas por los trenes en su descenso.
- Google Patents
Un procedimiento mecánico para establecer saltos hidráulicos aprovechando las fuerzas de la gravedad desarrolladas por los trenes en su descenso.
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ES52377A1912-02-201912-02-20Un procedimiento mecánico para establecer saltos hidráulicos aprovechando las fuerzas de la gravedad desarrolladas por los trenes en su descenso.
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