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BG99841A
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Gravitational device for energy transformation and method for its operation
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BG98712A
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Method for making wood mosaic
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BG98142A
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Method for hydrogen dispersion of intermetallic compounds
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BG97575A
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Equipment for the generation of mechanical energy
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BG97517A
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Driving mechanism
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BG97505A
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Equipment for the production of mechanical energy
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BG51662A1
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Signal security system
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BG60177A3
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Equipment for the production of mechanical energy
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BG41604A1
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Heat- exchange conduit
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BG41263A1
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Method and device for study of complete neutronic section
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BG41183A1
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Method for assembling needles for mosaic print
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BG41063A1
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Apparatus for melting of caprolactam
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BG40465A1
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Synchronic micromotor
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BG38494A1
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Grain- cleaning machine
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BG37160A1
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Device for programme control of starters
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BG35923A1
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Apparatus for two- past electric arc welding with alternating current
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BG36187A1
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Device for studying acousto- electronic interaction
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BG34507A1
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Apparatus for dustless filling of bins by means of reversible belt conveyor with two discharging chutes
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BG33817A1
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Apparatus for water decomposition
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BG35504A1
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Device for fasting of screw connections with great dimensions
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