STAIRS (BUILDING ELEMENTS)
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BTSTAIRS, RAMPS, LIFTS, ESCALATORS (BUILDING ELEMENTS)
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UDC692.62
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Descriptor GERTREPPEN (BAUTEILE)
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Descriptor ENGSTAIRS (BUILDING ELEMENTS)
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Descriptor FREESCALIERS (ÉLÉMENTS DES BÂTIMENTS)
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Variant GERLEITERN/FEST ANGEBRACHTE LEITERN (BAUTEILE)
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Variant ENGLADDERS/FIXED LADDERS (BUILDING ELEMENTS)
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Variant FREÉCHELLES FIXES (ÉLÉMENTS DES BÂTIMENTS)
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NTSPIRAL STAIRS (BUILDING ELEMENTS)
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RTWOODWORKING + CARPENTRY + JOINERY (BUILDING TRADES)
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RTWOODEN STAIRS (TIMBER CONSTRUCTION)