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DE1808438A1
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Ceramic rod or tube prodn
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FR1401012A
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Improvements to glassmaking furnaces
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GB962531A
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Improvements in or relating to stop cocks
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GB902535A
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Improvements in or relating to lenses
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GB902536A
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Improvements in or relating to lenses
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GB902537A
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Improvements in or relating to lenses
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GB730109A
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Improvements in or relating to waste traps and seals
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GB689481A
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Improved detachable handle for cooking utensils
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US2620598A
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Method of fabricating multi-component glass articles
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GB626000A
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Improved method of fabricating multi-component glass articles
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CA498437A
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Formation of glass and other thermoplastic tubes
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CA882239A
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Methods of producing ceramic material in rod or tube form
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Grinding machines
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Methods of and apparatus for processing thermoplastic material in elongate tubular form
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Electric pipe line warning device
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CA909721A
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Containers
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CA530542A
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Manufacture of tubes of glass and other thermoplastic materials
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CA814920A
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Equipment for heat-treating the ends of elongated glass articles
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