44574 ⎘
Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made for grinding several lenses simultaneously
Polishing device for polishing concave lens faces of optical lenses, and method for operation thereof
#2Device for the fine machining of optically active surfaces on, in particular, spectacle lenses
#3Method and device for processing lens
#4Method and device for processing optical workpiece surfaces