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Self-erecting mine
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Patent number 4,934,274
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Issue date Jun 19, 1990
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Dynamit Nobel Aktiengesellschaft
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Christoph Mathey
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F42 - AMMUNITION BLASTING
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Practice ammunition system
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Patent number 4,681,017
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Issue date Jul 21, 1987
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Dynamit Nobel Aktiengesellschaft
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Nikolaus H. J. Fischer
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F41 - WEAPONS
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Launching tube for missiles
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Patent number 4,646,618
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Issue date Mar 3, 1987
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Dynamit Nobel Aktiengesellschaft
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Josef Kurth
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL