Normas ISO

Plastics piping systems for non-pressure underground drainage and sewerage -- Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) -- Part 3: Pipes and fittings with non-smooth external surface, Type B

Information model of Chinese materia medica processing

Plastics piping systems for non-pressure underground drainage and sewerage -- Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) -- Part 1: Material specification and performance criteria for pipes, fittings and systems

Medical devices -- Non-electrically driven portable infusion devices

Petroleum and related products -- Precision of measurement methods and results -- Part 3: Monitoring and verification of published precision data in relation to methods of test

Fine bubble technology -- Cleaning applications -- Part 2: Test method for cleaning machine-oil stained surfaces of machined metal parts