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Publication of BE542731ApublicationCriticalpatent/BE542731A/xx
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
B24B21/165—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape for vanes or blades of turbines, propellers, impellers, compressors and the like
E—FIXED CONSTRUCTIONS
E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
E01D15/00—Movable or portable bridges; Floating bridges
E01D15/12—Portable or sectional bridges
E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges