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Core manufacturing apparatus
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Patent number 11,084,088
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Issue date Aug 10, 2021
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Toyota Jidosha Kabushiki Kaisha
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Naoya Kajita
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B22 - CASTING POWDER METALLURGY
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2658603
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Patent number 2,658,603
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Issue date Nov 10, 1953
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B22 - CASTING POWDER METALLURGY
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2642979
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Patent number 2,642,979
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Issue date Jun 23, 1953
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B22 - CASTING POWDER METALLURGY
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2571710
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Patent number 2,571,710
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Issue date Oct 16, 1951
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B22 - CASTING POWDER METALLURGY
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2569085
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Patent number 2,569,085
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Issue date Sep 25, 1951
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B22 - CASTING POWDER METALLURGY