FIELD: preservation. SUBSTANCE: with lever 7 pressed on, spring 12 is compressed and seaming roller 5 is moved off. Carrier 3 with roller 5 is turned by handle 4 around axis of disk 1. Roller 5 turns simultaneously. When lever 7 is moved down, pressure of spring 12 makes roller 5 press to rib of lid. EFFECT: enhanced convenience and reliability of preservation. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| LASER DISCHARGE TUBE USING VAPOR OF CHEMICAL ELEMENTS | 1992 |
|
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| GEIGER-MULLER COUNTER POWER SUPPLY | 1992 |
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SU1392023A1 |
