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Mold for casting metal
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Patent number 8,162,030
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Issue date Apr 24, 2012
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SMS Siemag Aktiengesellschaft
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Stephan Schulze
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B22 - CASTING POWDER METALLURGY
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3575230
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Patent number 3,575,230
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Issue date Apr 20, 1971
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B22 - CASTING POWDER METALLURGY
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3456714
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Patent number 3,456,714
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Issue date Jul 22, 1969
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B22 - CASTING POWDER METALLURGY
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3300820
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Patent number 3,300,820
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Issue date Jan 31, 1967
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B22 - CASTING POWDER METALLURGY
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3283370
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Patent number 3,283,370
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Issue date Nov 8, 1966
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B22 - CASTING POWDER METALLURGY
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2804663
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Patent number 2,804,663
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Issue date Sep 3, 1957
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B22 - CASTING POWDER METALLURGY
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2746105
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Patent number 2,746,105
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Issue date May 22, 1956
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B22 - CASTING POWDER METALLURGY