Normas ISO

Information technology -- International Standardized Profile RB -- Relaying the connection-mode Network Service-- Part 5: Definition of profile RB51.1121, relaying the connection-mode Network Service between CSMA/CD LAN subnetworks and PSDNs using virtual calls over a digital data circuit/CSDN leased line permanent access

Steel and iron -- Sampling and preparation of samples for the determination of chemical composition

Meat and meat products -- Determination of chloride content-- Part 2: Potentiometric method