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
Publication of BE679563ApublicationCriticalpatent/BE679563A/fr
Sechoir a doubles parois constituant des volumes de rechauffage d'air en circulation, a l'aide de chaleur solaire, et qui est notamment destine au sechage de feuilles de tabac