Apparatus for recording, transmission or reproduction of sound or images, especially cameras and camera systems comprising cameras mounted on a crawler vehicle for use in remote observation; Electronic control systems for operating cameras and camera systems comprising remote controls, computer hardware and software, and video display screens

'apparatus':1 'camera':12,14,17,33,35 'compris':16,37 'comput':40 'control':29,39 'crawler':21 'display':46 'electron':28 'especi':11 'hardwar':41 'imag':10 'mount':18 'observ':27 'oper':32 'record':3 'remot':26,38 'reproduct':6 'screen':47 'softwar':43 'sound':8 'system':15,30,36 'transmiss':4 'use':24 'vehicl':22 'video':45

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Goods & Services