#6472427Belarusian SSR. Belarusian State Polytechnic Institute (today Belarusian National Technical University). Students in a physics laboratory study the properties of laser.Sign in or register,to downloadAdd to cartRemove from cartCategories: Education, Science & TechnologyLocation: Minsk, BelarusEvent date: 25.02.1977Date published: 25.02.2021Credit: SputnikOriginal: 77-1815, 35 mm filmMedia: JPEG, 5461x3543px, 7Mbphysicstechnicalstudentsunion republicpolytechniceducationlaserlabhigherBelorussian universityUSSRBelarusian State Polytechnic Institute1970s