ES76636A1 - Un hogar de gas para calderas de vapor o para hornos industriales, destinado también para su combinación con hornos antiguos.
- Google Patents
Un hogar de gas para calderas de vapor o para hornos industriales, destinado también para su combinación con hornos antiguos.
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ES76636A1920-12-311920-12-31Un hogar de gas para calderas de vapor o para hornos industriales, destinado también para su combinación con hornos antiguos.
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