Research output: Patent
Translated title of the contribution | Method of Checking Quality of Crystal Vibrator: patent of invention |
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Original language | Russian |
Patent number | 2045041 |
IPC | G01N 21/63 |
Priority date | 11/07/1991 |
Filing date | 11/07/1991 |
Publication status | Published - 27 Sept 1995 |
ID: 30500781