thermal resistance 621.319 1 IMPATT diode 1 IMPATT-діод 1 asymmetric slot line 1 asymmetric stripline 1 bare conductor 1 cable classification criteria 1 cable infrastructure 1 certified test base 1 construction industry 1 cross-linked polyethylene insulation 1 current carrying capacity 1 effective heat transfer coefficient 1 fire load 1 fire safety 1 halogen-free compositions 1 heat balance 1 heat sink 1 millimeter range 1 optimal insulation thickness 1 oxide insulation 1 power cables 1 protected wire 1 p–i–n diode 1 p–i–n-діод 1 urbanization 1 waveguide slot line 1 безгалогенні композиції 1 будівельна промисловість 1