Science and technology 1976 № 7
Film-document №75850 1 part, Duration: 0:10:06.64 Price category G
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Needs clarification of possibility of digitizing.
Annotation1. "Problems of the century." watch factory "On the use of polymers in the production of desktop clocks at the Yerevan watch factory. 4. "What the Fish Talk About" About the recording of fish voices and the use of a hydroacoustic buoy in industrial fishing.