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Method of testing fire detector for resistance to air flows (versions) has field of control of fire alarm means and can be used for testing for resistance to air flows of fire detectors during their manufacture, operation and repair 2024-04-26
On-board radio communication system for tactical unmanned aerial vehicles invention relates to mobile radio communication equipment 2023-12-28
Test rig for testing resistance to air flow of fire detector, has housing that is equipped with unit for fastening fire detector, where channel is provided with constant cross-section along length or variable cross-section along length 2023-12-12
METHOD OF FIRE-RETARDANT TREATMENT OF METAL SURFACE potato starch 1217wt.%, sodium hydroxide 56.5wt.%, copper sulphate 2023-11-16