FIELD: designs of display stands.
SUBSTANCE: stand includes drive unit of upper shaft having worm transmission and drive unit of lower shaft having belt transmission or toothed gearing.
EFFECT: enhanced efficiency of using display stand.
10 cl, 1 dwg
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DEMONSTRATION DEVICE | 2003 |
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DIAPROJECTOR | 0 |
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METHOD OF MEASURING LATERAL OSCILLATIONS OF MOVING ELECTROSTATIC RECORD CARRIER TAPE | 0 |
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INDICATOR OF DIRECTION OF INCLINED HOLE CROOKEDNESS | 0 |
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SU1754892A1 |
Authors
Dates
2005-03-20—Published
2003-08-01—Filed