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DE2427692A1
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Balcony or roof-terrace safety parapet - comprising ceramic or concrete blocks leaving openings, and holed for reinforcing rods
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DE2332689A1
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Plastic cutting using heated wires - with supports to lift cut material clear
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CH558243A
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Exact cutting to length of extruded ceramic sections - using cutting wire controlled by photoelectric cell
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CH566851A5
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Extruding ceramic bricks and tiles - extrusion die dimensions altered periodically to vary brick profile along extrusion axis
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CH565295A5
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Perforated building-block assembled balcony parapet - with blocks in rows with gaps, and holes providing reinforcing-bar channel
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GB1386282A
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Ceramic facing panel for house walls
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