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3903010
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C01 - INORGANIC CHEMISTRY
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3833508
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C01 - INORGANIC CHEMISTRY
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3811972
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Patent number 3,811,972
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C06 - EXPLOSIVES MATCHES
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3807957
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Patent number 3,807,957
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Issue date Apr 30, 1974
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C01 - INORGANIC CHEMISTRY
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3757488
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Patent number 3,757,488
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C01 - INORGANIC CHEMISTRY
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3276846
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Patent number 3,276,846
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3121611
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C01 - INORGANIC CHEMISTRY
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C01 - INORGANIC CHEMISTRY
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Patent number 2,490,986
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C01 - INORGANIC CHEMISTRY
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2486530
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Patent number 2,486,530
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C01 - INORGANIC CHEMISTRY
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Patent number 2,427,706
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C01 - INORGANIC CHEMISTRY
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Patent number 2,427,708
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C01 - INORGANIC CHEMISTRY
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Patent number 2,427,707
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C01 - INORGANIC CHEMISTRY
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C01 - INORGANIC CHEMISTRY
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Patent number 2,427,709
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Issue date Sep 23, 1947
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C01 - INORGANIC CHEMISTRY