Stair step trace

The anchorage uses a horizontal bore (14) in the side rail or wall of the staircase, which is expanded in two opposing directions (16) from the entry point. The expansion angle is approx. ten to twenty deg. to the central axis, and both expansion directions and the central axis lie in a common plane...

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Bibliographische Detailangaben
1. Verfasser:	BUCHER, ADOLF
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING BUILDING CEILINGS DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSULATION OR OTHER PROTECTION OF BUILDINGS LIGHTING MECHANICAL ENGINEERING ROOFS THERMAL INSULATION IN GENERAL WALLS, e.g. PARTITIONS WEAPONS
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