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Mold
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Patent number 4,674,555
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Issue date Jun 23, 1987
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Swiss Aluminum Ltd.
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Miroslaw Plata
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B22 - CASTING POWDER METALLURGY
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3923091
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Patent number 3,923,091
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Issue date Dec 2, 1975
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B22 - CASTING POWDER METALLURGY
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3786856
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Patent number 3,786,856
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Issue date Jan 22, 1974
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B22 - CASTING POWDER METALLURGY
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3546924
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Patent number 3,546,924
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Issue date Dec 15, 1970
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B22 - CASTING POWDER METALLURGY
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3537505
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Patent number 3,537,505
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Issue date Nov 3, 1970
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B22 - CASTING POWDER METALLURGY
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3270376
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Patent number 3,270,376
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Issue date Sep 6, 1966
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B22 - CASTING POWDER METALLURGY
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3237251
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Patent number 3,237,251
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Issue date Mar 1, 1966
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B22 - CASTING POWDER METALLURGY