ES65547A1 - Dispositivo para la utilización, en los hogares de las calderas de vapor, de lignito húmedo, turba, crujo y de cualquier combustible de mala calidad.
- Google Patents
Dispositivo para la utilización, en los hogares de las calderas de vapor, de lignito húmedo, turba, crujo y de cualquier combustible de mala calidad.
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ES65547A1917-10-091917-10-09Dispositivo para la utilización, en los hogares de las calderas de vapor, de lignito húmedo, turba, crujo y de cualquier combustible de mala calidad.
ExpiredES65547A1
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