ES67437A1 - Un horno de destilar maderas, turbas, lignitos, por el aire caliente, con aprovechamiento de calorías por recalentamiento.
- Google Patents
Un horno de destilar maderas, turbas, lignitos, por el aire caliente, con aprovechamiento de calorías por recalentamiento.
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ES67437A1918-07-121918-07-12Un horno de destilar maderas, turbas, lignitos, por el aire caliente, con aprovechamiento de calorías por recalentamiento.
ExpiredES67437A1
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