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Forming machine without pattern casting
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Patent number 9,114,453
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Issue date Aug 25, 2015
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Advanced Manufacture Technology Center, China Academy of Machinery Science &...
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Zhongde Shan
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B22 - CASTING POWDER METALLURGY
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3730253
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Patent number 3,730,253
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Issue date May 1, 1973
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3664408
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Patent number 3,664,408
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Issue date May 23, 1972
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B22 - CASTING POWDER METALLURGY
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2892313
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Patent number 2,892,313
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Issue date Jun 30, 1959
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B22 - CASTING POWDER METALLURGY
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2863193
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Patent number 2,863,193
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Issue date Dec 9, 1958
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B22 - CASTING POWDER METALLURGY
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2731687
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Patent number 2,731,687
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Issue date Jan 24, 1956
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B22 - CASTING POWDER METALLURGY
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2568905
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Patent number 2,568,905
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Issue date Sep 25, 1951
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B22 - CASTING POWDER METALLURGY
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1948799
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Patent number 1,948,799
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Issue date Feb 27, 1934
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B22 - CASTING POWDER METALLURGY
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1922446
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Patent number 1,922,446
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Issue date Aug 15, 1933
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B22 - CASTING POWDER METALLURGY
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1865434
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Patent number 1,865,434
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Issue date Jul 5, 1932
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B22 - CASTING POWDER METALLURGY
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1746219
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Patent number 1,746,219
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Issue date Feb 4, 1930
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B22 - CASTING POWDER METALLURGY
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1742681
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Patent number 1,742,681
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Issue date Jan 7, 1930
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B22 - CASTING POWDER METALLURGY
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1736363
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Patent number 1,736,363
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Issue date Nov 19, 1929
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B22 - CASTING POWDER METALLURGY
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1736171
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Patent number 1,736,171
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Issue date Nov 19, 1929
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B22 - CASTING POWDER METALLURGY
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1692204
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Patent number 1,692,204
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Issue date Nov 20, 1928
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B22 - CASTING POWDER METALLURGY
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1519844
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Patent number 1,519,844
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Issue date Dec 16, 1924
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B22 - CASTING POWDER METALLURGY
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1352815
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Patent number 1,352,815
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Issue date Sep 14, 1920
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B22 - CASTING POWDER METALLURGY