Alexandr Z. Metelyagin

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Zlatoust Chelyabinskoi oblasti, SU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for creating acoustic oscillations in a running liquid me...
- Patent number 4,136,971
- Issue date Jan 30, 1979
- Vladimir M. Varlamov
- G10 - MUSICAL INSTRUMENTS ACOUSTICS