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BG95848A
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Centrifugal casting mould
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BG60654B2
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Strictiomagnetic converter for pressure measuring
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BG51501A1
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Device for multiposition diffusion welding in vacuum
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BG51494A1
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Porous castings coating
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BG51500A1
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Evice for continouos movement of electric arc by magnetic field for wleding machines
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BG51285A1
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Combined of centrifugal casting
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BG50750A1
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Device for measuring of casting weight
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BG52050B2
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Austenitic corrosion resistant steel
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BG50688A1
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Device for fatigue testing in folding by revolution
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BG50690A1
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Test for trying the susceptibility of steels and other alloys to cold and lamellar cracking in electric arc welding
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BG50443A1
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Impregnating composition for metal casting and parts air tightness
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BG50418A1
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Metal casting mould
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BG50340A1
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Device for obtaining and metal treatment of light nonferrous alloys
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BG51083A1
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Model mixture for fusible models
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BG50077A1
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Device for welding by means of magnetic driven arc
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BG51197A1
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Petrurgic glass
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BG50108A1
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Method for preparing of cast composite materials
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BG49965A1
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Device for introduction of non- metal fragments to melts
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BG49963A1
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Device for loce away casting moulds
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BG50098A1
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Composition for preparing of membranes
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