ONORM B 5072-1978
Precast concrete shaft (manhole) rings, well rings and conical shaft rings

Standard No.

ONORM B 5072-1978

Release Date

1978

Published By

AT-ON

Latest

ONORM B 5072-1978

ONORM B 5072-1978 history

• 1978 ONORM B 5072-1978 Precast concrete shaft (manhole) rings, well rings and conical shaft rings