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3824889
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Patent number 3,824,889
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Issue date Jul 23, 1974
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F42 - AMMUNITION BLASTING
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2419102
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Patent number 2,419,102
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Issue date Apr 15, 1947
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F42 - AMMUNITION BLASTING
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1615602
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Patent number 1,615,602
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Issue date Jan 25, 1927
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F42 - AMMUNITION BLASTING
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1589271
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Patent number 1,589,271
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Issue date Jun 15, 1926
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F42 - AMMUNITION BLASTING
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1476552
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Patent number 1,476,552
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Issue date Dec 4, 1923
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F42 - AMMUNITION BLASTING
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1364039
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Patent number 1,364,039
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Issue date Dec 28, 1920
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F42 - AMMUNITION BLASTING