4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Francois Brown de Colstoun

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Method and system for detecting forest fires

Implements or apparatus for applying pushing or pulling force – Device or member for contacting and guiding moving cable – Including rotatable – cable contacting – pulley wheel element
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Station for detecting and locating through laser beams an object

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-288001

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