GB698072A
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Improvements in and relating to apparatus for automatically weighing articles, for instance, bottles and like glass containers
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GB616827A
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An improved method of applying multi-colour designs to glass or metal surfaces
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GB562259A
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Improvements in jars and like containers and vacuum sealed stoppers or closures therefor
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GB534963A
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Improvements in or relating to the packing of articles
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US2233155A
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Purification of silica sands and the like
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GB516880A
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Improvements in or relating to the purification of silica sands and the like
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GB500287A
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Improvements in or relating to the application of colours or the like to various surfaces
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US2071720A
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Purification of silica sands and the like
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GB423053A
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Improvements in or relating to the purification of silica sands and the like
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GB368335A
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Improvements in or relating to the manufacture of glassware
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CA414605A
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Silica sand purification
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CA366151A
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Silica sand purification
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