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BG51824A1
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Method and device for the control of chemical_thermal treatment of parts in the plasma of glowing charge
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BG40584A1
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Medium for carbonization in glowing discharge
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BG38552A1
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Method for preparing terpene carbinolic acetates
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BG38185A1
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Immunostimulating means
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BG36392A1
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Method for inversion of prehydrolysates
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BG36271A1
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Method for diffusion chroming
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BG35939A1
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Method for biological purification of industrial waste- waters
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BG34697A1
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Antidragging installation
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BG32438A1
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Anti influenza means
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BG33415A1
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Electrographite brush
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BG30994A1
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Method for bee limeatose fighting
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BG30416A1
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Antieartqunake structure for building fondation
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BG37925A1
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Method for cultivating microalgae
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BG29036A1
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Method for catalytic beforehydrolisis of wood
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BG25286A1
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A binding substance for wood-fibre plates manufacture
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