Pattern plates with deep changeable wooden inserts for moulding box having inside dimensions 800x700 mm for moulding foundry machines with turn of half mould without squeezing. Design and dimensions
Transmission of audio and/or video and related signals using infra-red radiation. Part 3. Transmission systems for audio signals for conference and similar systems
State system for ensuring the uniformity of measurements. Standard reference data. The thermalconductivity of La2Te3 – La3Te4 solid solution in the temperature range from 80 K to 400 K
