Information technology. Security techniques. Network security. Part 4. Securing communications between networks using security gateways. (ISO/IEC 27033-4:2014, MOD)
Plastics piping systems for pressure and non-pressure drainage and sewerage - Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin. (ISO 10467:2004, MOD)
€20
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