Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR31383EpublicationCriticalpatent/FR31383E/en
Improvements made to the construction of furnaces, in particular those fitted with an upper alandier, heated by means of solid, liquid or gaseous fuels