ES53777A3 - Un dispositivo para calentar las calderas de vapor por medio de combustibles sólidos o líquidos quemándolos, bien sea separadamente o simultáneamente.
- Google Patents
Un dispositivo para calentar las calderas de vapor por medio de combustibles sólidos o líquidos quemándolos, bien sea separadamente o simultáneamente.
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J ET A NICLAUSSE
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J ET A NICLAUSSE
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ES53777A1912-08-271912-08-27Un dispositivo para calentar las calderas de vapor por medio de combustibles sólidos o líquidos quemándolos, bien sea separadamente o simultáneamente.
ExpiredES53777A3
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