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Catalysts for ammonia synthesis
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Patent number 4,698,325
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Issue date Oct 6, 1987
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Imperial Chemical Industries PLC
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Sydney P. S. Andrew
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C01 - INORGANIC CHEMISTRY
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Machine tool
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Patent number 4,651,404
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Issue date Mar 24, 1987
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Leslie Hartridge, Limited
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Peter Shorrock
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3920971
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Patent number 3,920,971
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Issue date Nov 18, 1975
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3225439
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Patent number 3,225,439
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Issue date Dec 28, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3099873
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Patent number 3,099,873
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Issue date Aug 6, 1963
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR