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Device for laying drip tape in potato ridge, has spring that is fixed in groove corresponding to depth of drip tape installation carried out using lever and movably fixed on axis in supports of holder, and whose respective end rests against plate-shaped tip of tube 2024-12-25
Chromium-compensated high-resistant gallium arsenide matrix beta-particle sensor used for electron microscopy system, has active region, and return contact provided on beta-particle irradiation side, made in form of chromium film, on surface of which mesh contact is formed from aluminum strips 2024-07-16
AGENT FOR INHIBITION OF SARS-CoV-2 VIRUS STRAINS BASED ON (+)-USNIC ACID 2023-12-04