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GB454374A
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Improvements in and relating to the toughening or hardening of glass or glass objects
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GB431095A
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Processes of and means for toughening or hardening glass
|
|
GB396313A
|
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Composite or laminated glass and the production thereof
|
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GB387885A
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Improved continuous process for grinding and/or polishing glass plates and the like
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GB310421A
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Improved method of and apparatus for making hollow glassware
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GB310422A
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Improved method of and apparatus for feeding and forming glass
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US1451439A
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Hollow wall
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GB184665A
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Improvements in and connected with the building of hollow walls
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DE332628C
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Process for the elimination and recycling of the sludge resulting from the wet cleaning of furnace gas
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