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System of systematic dissemination of best practices. (1980)

Documentary, 2 parts, Duration: 0:18:49
G 7/20/2019Individual means of protection and their use in the chemical industry. (1978)

Documentary, 2 parts, Duration: 0:16:16
G 7/20/2019Down and Out trouble started. (1979)

Documentary, 2 parts, Duration: 0:19:25
G 7/20/2019The film tells about the problems of agriculture in the Chuvash ASSR and their solutions.