NA 119
DIN Standards Committee Water Practice
Standards
[CURRENT]
BS 65
BS 65
Specification for vitrified clay pipes, fittings and ducts, also flexible mechanical joints for use solely with surface water pipes and fittings
Title (German)
Rohre, Formstucke und Kanale aus Steinzeug, sowie biegsame Anschlussstucke fur Rohre und Formstucke fur die Ableitung von Oberflachenwasser