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GB1125312A
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Graphite writing lead and methods of manufacturing the same
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GB1032780A
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A writing instrument
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GB946272A
|
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Improvements in boxes for pencils and like articles
|
|
GB849949A
|
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Improvements in and relating to retractable ball-point pens
|
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GB827803A
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Improvements in and relating to a lead gripping device for lead pencils
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GB875820A
|
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Improvements in and relating to fountain pens
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GB786777A
|
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Improved manufacture of writing pastes
|
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GB702910A
|
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Improvements in and relating to the manufacture of writing and drawing leads
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GB675321A
|
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An improved method of producing unburned pencils
|
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GB530588A
|
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Method of surface-treating writing pencils, drawing pencils and other rod-shaped articles
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