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BG51582A1
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, -di-(1-naphthylacetoxy)-poly(oxyethylene), method for its production and application
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BG41925A1
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Method for thermic treatment of metals and alloys
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BG41215A1
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Method for preparing homo- and copolymers of methylmetacrylate
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BG40916A1
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Furnace for chemical and thermic treatment of metal and alloy work- pieces
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BG40186A1
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Method for distributing materials in bulk after their granulometric composition
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BG38241A1
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Method for preparing copolymers of styrene with 1, 2- epoxydic compounds
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BG37920A1
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Method for preparing polyamide composition
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BG37799A1
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Device for automatic dosing of powderous materials
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BG36556A1
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Method for preparing polyvylic ethers
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BG35851A1
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Furnace for chemical and thermic treatment of metals and alloys
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BG35961A1
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Method for preparing polycyclosiloxanes
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BG35443A1
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Device for dimensional determining of the first product of a graphic process
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BG33568A1
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Arcestinguishing chamber with cross blowing for low- oil power disonnectors
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BG40675A1
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Individual tensometer
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BG35674A1
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Method for ennoblement of neutraltsate from wood hydrolysates
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BG33793A1
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Triple graphitides of alcali metals and their application
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BG33808A1
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Method for making of poly- delta- valerolactone
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BG33564A1
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Roll contact system for power disconnectors for high tensions
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BG31456A1
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Apparatus for limitation of electrical tension signals
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BG30703A2
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Method for chemical- thermal treating of metals and alloys, especially for animmonation
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