Process for obtaining conduits of large cross-section, conduits so obtained and their component elements
A Standard patent application filed on 19 May 1987 credited to Matiere, Marcel
Details
Application number :
73193
Application type :
Standard
Application status :
EXPIRED
Under opposition :
No
Proceeding type :
Invention title :
Process for obtaining conduits of large cross-section, conduits so obtained and their component elements