ES24718A3 - Mejoras en aparatos para la circulación del agua en las calderas de vapor y sus similares y para retirar impurezas de las máquinas.
- Google Patents
Mejoras en aparatos para la circulación del agua en las calderas de vapor y sus similares y para retirar impurezas de las máquinas.
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ES24718A1899-08-311899-08-31Mejoras en aparatos para la circulación del agua en las calderas de vapor y sus similares y para retirar impurezas de las máquinas.
ExpiredES24718A3
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