BS ISO 13267. Thermoplastics piping systems for non-pressure underground drainage and sewerage. Thermoplastics inspection chamber and manhole bases. Test method for buckling resistance
Thermoplastics piping systems for non-pressure underground drainage and sewerage. Thermoplastics inspection chamber and manhole bases. Test methods for buckling resistance
BS ISO 13267. Thermoplastics piping systems for non-pressure underground drainage and sewerage. Thermoplastics inspection chamber and manhole bases. Test method for buckling resistance