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Artificial nestling shelter for open-nestling dendrophilic birds
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RU1783955C
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Device for cutting of slips in soil with simultaneous application of filler
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RU1789152C
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Method for construction of nest shelters for dendrophilic nesting birds
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Method for preparation of artificial breeding site for open-nesting bush-dwelling birds
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Artificial nest shelter for bush birds
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Device to record growth movements of plants
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Artificial nest
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Artificial nestling place for birds
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Artificial stem-adjoining nest shelter for open-nesting birds
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Method of constructing artificial nest for open-nesting dendrophilous birds
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Plant holder in hydroponic growing
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Plant holder
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Artificial nest for ground-nestling birds
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Man-made nest for open-nesting of birds
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Man-made nest for earth-nesting of birds
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Method of reclaimining long season-frozen soils of hard mechanical composition
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Method of identifying d-ribulose-1.5-diphosphatecarboxylase
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Method of assessing the sowing properties of seeds of cereal and fodder crops
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System for drying bogland of terraces
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Nutrient medium for cultivating soil nematodes of cephalobus kind
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