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3716010
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Patent number 3,716,010
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Issue date Feb 13, 1973
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F42 - AMMUNITION BLASTING
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3439537
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Patent number 3,439,537
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Issue date Apr 22, 1969
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F42 - AMMUNITION BLASTING
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3404649
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Patent number 3,404,649
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Issue date Oct 8, 1968
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F42 - AMMUNITION BLASTING
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3153394
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Patent number 3,153,394
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Issue date Oct 20, 1964
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F42 - AMMUNITION BLASTING
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3141434
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Patent number 3,141,434
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Issue date Jul 21, 1964
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F42 - AMMUNITION BLASTING
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3004507
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Patent number 3,004,507
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Issue date Oct 17, 1961
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F42 - AMMUNITION BLASTING