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DE511858C
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Device for cleaning the work surface of linearly moving work tables for glass grinding machines
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DE521253C
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Table guidance on grinding and washing machines for glass and similar objects
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DE510289C
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Drive a row of workbenches arranged one behind the other, especially glass plate grinding machines
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DE478370C
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Stone cutting gate with automatic switching of the lowering movement of the gate frame
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DE479005C
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Device for coarse, fine and polishing grinding of sheet glass
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