cable pressurization units, namely, units for use in forcing dry air into telecommunication cables in order to protect the cables from water damage, such units comprising air compressors, air dryers for the removal of water vapor from compressed air, air pipe manifolds, and access panels for meters and pipes

'access':44 'air':11,27,29,39,40 'cabl':1,14,20 'compress':38 'compressor':28 'compris':26 'damag':23 'dri':10 'dryer':30 'forc':9 'manifold':42 'meter':47 'name':4 'order':16 'panel':45 'pipe':41,49 'pressur':2 'protect':18 'remov':33 'telecommun':13 'unit':3,5,25 'use':7 'vapor':36 'water':22,35

Broadcast and wireless antennas; electric power switches; diplexers; electrical fiber-optic communications transmission lines for fiber-optic audio and video signal transmission; combiners and optical waveguides

'antenna':4 'audio':20 'broadcast':1 'combin':25 'communic':13 'diplex':8 'electr':5,9 'fiber':11,18 'fiber-opt':10,17 'line':15 'optic':12,19,27 'power':6 'signal':23 'switch':7 'transmiss':14,24 'video':22 'waveguid':28 'wireless':3

DIELECTRIC

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