Air-cooled air conditioners and air-to-air heat pumps. Testing and calculating methods for seasonal performance factors. Part 2. Heating seasonal performance factor
Information technology. International standardized. Profiles TB, TC, TD and TE. Connection-mode transport service over connection-mode network service. Part 9. Subnetwork-type dependent requirements for network layer, data link layer and physical layer concerning permanent access to a paket switched data network using virtual calls
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