Single sockets for unplasticized polyvinyl chloride and chlorinated polyvinyl chloride pressure pipes with elastic sealing ring type joints. Minimum depths of engagement
Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of yeasts and moulds. Part 2. Colony count technique in products with water activity less than or equal 0,95
Plastic piping systems. Elastomeric-sealing-ring-type socket joints for use with thermoplastic pressure pipes. Test method for leak tightness under internal pressure and with angular deflection