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 FR684782ApublicationCriticalpatent/FR684782A/en
E03F3/04—Pipes or fittings specially adapted to sewers
Landscapes
Health & Medical Sciences
(AREA)
Life Sciences & Earth Sciences
(AREA)
Engineering & Computer Science
(AREA)
Hydrology & Water Resources
(AREA)
Public Health
(AREA)
Water Supply & Treatment
(AREA)
FR684782D1929-11-131929-11-13
Duct pipe made up of one or more reinforced pipes joined one after the other by a metal hoop coated with cement
ExpiredFR684782A
(en)