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BG96312A
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Antiacidic preparation
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BG42307A1
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Method for determining concentration of electrical active admixtures in alloyed semi- conductors
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BG37915A1
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Method for preparing colouring concentrates for thermoplastics
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BG36808A1
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Device for sprinter training
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BG36675A1
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Preventing device
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BG34510A1
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Driving mechanism of a machine for mining ropes replacement
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BG29883A1
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Method for fruit- trees forming
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BG29742A1
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Apparatus for boxers training
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BG29215A1
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Compensating connector
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BG34433A1
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Method for determining the concentration of electrically active impurities in degenerated semi-conductors
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BG34434A1
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Method for determining the concentration of the current carriers in degenerated semi-conductors
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BG26720A1
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Starting of electric hoists
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BG25559A1
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Method for obtaining of n- monosubstituated thiocarbamides
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BG24156A1
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Electromechanical driving device with rotary-progressiv
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