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Sintered articles
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Patent number 5,654,106
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Issue date Aug 5, 1997
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Brico Engineering Limited
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Charles Grant Purnell
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B22 - CASTING POWDER METALLURGY
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Aluminium alloys
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Patent number 5,613,184
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Issue date Mar 18, 1997
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The Aluminium Powder Company Limited
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Charles G. Purnell
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B22 - CASTING POWDER METALLURGY
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Valve guide
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Patent number 5,062,908
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Issue date Nov 5, 1991
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Brico Engineering Limited
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Charles G. Purnell
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B22 - CASTING POWDER METALLURGY
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Valve guide
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Patent number 5,041,168
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Issue date Aug 20, 1991
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Brico Engineering Company Limited
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Charles G. Purnell
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B22 - CASTING POWDER METALLURGY
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Sintered materials
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Patent number 4,970,049
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Issue date Nov 13, 1990
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Brico Engineering Limited
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Andrew R. Baker
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Powder metallurgy process and product
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Patent number 4,274,875
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Issue date Jun 23, 1981
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Brico Engineering Limited
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Terence M. Cadle
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Sintered metal articles
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Patent number 4,198,234
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Issue date Apr 15, 1980
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Brico Engineering
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Terence M. Cadle
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B22 - CASTING POWDER METALLURGY