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Extrusion apparatus
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Patent number 4,551,087
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Issue date Nov 5, 1985
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Northern Telecom Limited
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Ali Pan
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Reeling of cable
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Patent number 4,421,284
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Issue date Dec 20, 1983
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Northern Telecom Limited
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Ali Pan
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Manufacture of cable cores
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Patent number 4,407,854
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Issue date Oct 4, 1983
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Northern Telecom Limited
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Ali Pan
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H01 - BASIC ELECTRIC ELEMENTS
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