ES75105A1 - Un nuevo procedimiento para hacer de rendimiento variable las bombas o motores de rendimiento fijo de cualquier sistema adecuado.
- Google Patents
Un nuevo procedimiento para hacer de rendimiento variable las bombas o motores de rendimiento fijo de cualquier sistema adecuado.
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ES75105A1920-07-301920-07-30Un nuevo procedimiento para hacer de rendimiento variable las bombas o motores de rendimiento fijo de cualquier sistema adecuado.
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