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 FR532486ApublicationCriticalpatent/FR532486A/fr
Perfectionnements apportés à l'établissement des chaudières destinées au chauffage central par circulation de vapeur à basse pression, ou par circulation d'eau chaude