Machinable glasses
Machine for chemically frosting articles made of glass
Machine for forming hollow articles of vitreous material
Machine for making bottles
Machine for manufacturing phials and ampoules
Machine for the production of glassware articles by the...
Machines for edge-trimming and bevelling spectacle lenses
Magnetic memory storage devices
Making float glass
Making glass articles with defect-free surfaces
Making porous mineral fibers
Man-made vitreous fibre products and processes and apparatus
Man-made vitreous fibre wool
Man-made vitreous fibres
Man-made vitreous fibres
Man-made vitreous fibres
Man-made vitreous fibres
Man-made vitreous fibres
Man-made vitreous fibres and their production
Manufacture of a window by breaking the edges of a sheet of...