Acoustical measuring equipment at the ?Metrologiya-77? exhibition

1977 ◽  
Vol 20 (12) ◽  
pp. 1778-1779
Author(s):  
D. Z. Lopashev
Keyword(s):  
Measuring Equipment ◽  
Acoustical Measuring

Combined measuring equipment for testing acoustical measuring instruments in air

1974 ◽  
Vol 17 (7) ◽  
pp. 1063-1066
Author(s):  
D. Z. Lopashev ◽  
A. V. Kon'kov ◽  
S. V. Kuznetsov
Keyword(s):  
Measuring Equipment ◽  
Measuring Instruments ◽  
Acoustical Measuring
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