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Soft iron pigments
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Patent number 6,589,331
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Issue date Jul 8, 2003
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Eckart GmbH & Co. KG
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Werner Ostertag
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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High shrinkage powder body
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Patent number 4,018,596
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Issue date Apr 19, 1977
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The International Nickel Company, Inc.
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David Myers Llewelyn
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B22 - CASTING POWDER METALLURGY
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3918955
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Patent number 3,918,955
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Issue date Nov 11, 1975
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B22 - CASTING POWDER METALLURGY
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3866754
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Patent number 3,866,754
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Issue date Feb 18, 1975
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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3844251
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Patent number 3,844,251
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Issue date Oct 29, 1974
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3839077
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Patent number 3,839,077
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Issue date Oct 1, 1974
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B22 - CASTING POWDER METALLURGY
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3820977
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Patent number 3,820,977
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Issue date Jun 28, 1974
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B22 - CASTING POWDER METALLURGY
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3804614
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Patent number 3,804,614
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Issue date Apr 16, 1974
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3800740
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Patent number 3,800,740
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Issue date Apr 2, 1974
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B22 - CASTING POWDER METALLURGY
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3785802
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Patent number 3,785,802
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Issue date Jan 15, 1974
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C21 - METALLURGY OF IRON
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3779795
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Patent number 3,779,795
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Issue date Dec 18, 1973
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3775099
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Patent number 3,775,099
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Issue date Nov 27, 1973
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3759983
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Patent number 3,759,983
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Issue date Sep 18, 1973
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C07 - ORGANIC CHEMISTRY
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3728104
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Patent number 3,728,104
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Issue date Apr 17, 1973
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3702761
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Patent number 3,702,761
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Issue date Nov 14, 1972
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B22 - CASTING POWDER METALLURGY