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PL357484A1
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Method for preparing grinding dust for utilization in blast-furnace and/ or steel-making process
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PL357464A1
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Method of preparation of grinding, coal dust and/or fly-ash mixtures for utilization in iron blast furnace process
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PL350505A1
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Slag foaming process and a plant for bringing that process into effect
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PL349691A1
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Method of recarburising molten metal baths
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PL343975A1
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Atmospheric corrodion resisting steel
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PL337632A1
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Method of thermally strengthening rail and bulb bar heads
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PL333684A1
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Microalloy steel
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PL332463A1
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Method of hardening steel reinforcement rods for prestressed concrete
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PL324175A1
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System for dedusting flue gases in an extraction duct
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PL312548A1
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Low-alloy aluminium-free steel of increased strength
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PL307800A1
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Trough-typ magnetic separator with movable magnetic system
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PL306868A1
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Method of and apparatus for diving streams of suspensions in a pipeline
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PL304000A1
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System for collecting dust contained in flue gas extracted from sintering line through an extraction duct
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PL301601A1
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Set of equipment for collecting dusts from sintering line flue gases
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PL296013A1
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Injector type pneumatic atomizer
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PL295768A1
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Gas-oxygen burner
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PL293274A1
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Composite pipes
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PL292107A1
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Structural steel with a raised endurance and a raised resistance to corrosion in salt water in miner
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PL291678A1
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Method of obtaining pig iron in large furnaces
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PL291077A2
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Lighting-up burner shield for a sintering installation
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