BG100180A
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Device for rotary seals
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BG100029A
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Lower and upper clamp, in particular for a light building structure
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BG97092A
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Device for increasing the usability of analoque subscriber telephone lines
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BG42063A1
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Installation for recharge of cars
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BG41334A1
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Method for simultaneous obtaining of fine- dispersed and spheroidal granular product
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BG41199A1
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Method for preparing slack- lime
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BG40509A1
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Method for recuperating acrylonitrile and acetonitrile
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BG38204A1
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Device for perforation of radial and central opening in casing of electric motor
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BG38963A1
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Method and device for crushing waste glass
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BG39216A1
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Method for manufacture of aluminium foil
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BG37404A1
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Acessory means for grinding and surface processing of ores
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BG37517A1
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Device for feeding calling voltage to telephone
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BG35921A1
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Apparatus for regenerating moulding mixtures
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BG34716A1
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Method for determining defects in dielectric coatings deposited on silicon (100)
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BG34029A1
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A device for trunk- line
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BG34136A1
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Method for the production of spheric pellets for drilling plugging up
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BG33671A1
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Rawmaterial for obtaining of ferrosilicon
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BG33926A1
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A machine for backing- off of taps
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BG33612A1
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Apparatus for vibration dehydratation of small grain raw materials
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BG33462A1
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Spiral classifier
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