Machines for working, machining, cutting, grinding, edge grinding, edging, bevelling,chamfering, finishing, smoothing, polishing, fine reworking and/or stripping of spectacle lenses and ophthalmic lenses; machines, incorporating lens centering and blocking devices, for working, machining, cutting, grinding, edge grinding, edging, bevelling,chamfering, finishing, smoothing, polishing, fine reworking and/or stripping of spectacle lenses and ophthalmic lenses; edging machines for spectacle lense...