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PL292861A1
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Runner
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PL274128A1
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Apparatus for continuously grinding workpieces having mutually parallel walls
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PL257260A1
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Sand disintegrator mounted above a sand-carrying belt conveyor
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PL254055A1
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Worktable for a high-speed foundry grinding machine
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PL251555A1
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Automaticgrinding line
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PL250343A1
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Apparatus for grinding pairs of mutually parallel surfaces
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PL246680A1
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High-speed casting grinding machine
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PL245738A1
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Cassette type proportioner for particulate solid materials
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PL244671A1
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High-speed grinding table
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PL243858A2
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Disk-type grinding wheel guard
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PL240229A1
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Conveyor belt supporting roller
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PL239779A1
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Swinging frame grinding machine for foundries
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PL238481A1
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High-speed cutting-off and grinding machine for castings
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PL237256A1
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Self-unloading knockout grid
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PL236983A1
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Multi-purpose vibration forcing mechanism
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GB1545144A
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Method of hardening of quick-hardening moulding sands and apparatus therefor
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