Signal conversion equipment for simultaneous duplex data transmission on switched channels of general telephone network and unswitched voice frequency channels. Type and basic parameters
Gas-fired instantaneous water heaters for the production of domestic hot water, fitted with atmospheric burners. General technical requirements and test methods
Information technology. Internet of things. IoT communication networks. Protocol for low-speed data exchange over satellite communication channels. Part 1. Data exchange via subscriber lines of low-orbit systems
€25
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