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DE4001687A1
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Harmful radiation removing or diverting installation - consists of tow horizontally stacked plates with upper one covering larger area
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DE3338559A1
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Method of fastening a coupling bolt in a stone and devices for carrying out this method
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DE3239192A1
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Device for milling a helical groove in the side wall of a predrilled hole
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ATA854178A
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Stairs - especially self-supporting stairs
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DE2834011A1
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Load-bearing prefabricated structural element - has stronger material filling recess across line of lengthways slit
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DE2829200A1
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Coupling bolt joining staircase threads - has top end embedded with filler in non continuous hole in tread base
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CH632798A5
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Tread board of the solid construction type
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DE2739365A1
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SPIRAL STAIRS MADE FROM PRE-FABRICATED PARTS
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