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 FR747580ApublicationCriticalpatent/FR747580A/fr
FR747580D1932-12-151932-12-15Dispositif pour l'épuration préalable des eaux envoyées aux égoûts ou autres canalisations d'évacuation
ExpiredFR747580A
(fr)