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Refractory coating
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Patent number 4,668,583
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Issue date May 26, 1987
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Hi-Shear Corporation
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Donald E. Olander
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Void-sensing fuze
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Patent number 4,604,953
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Issue date Aug 12, 1986
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Hi-Shear Corporation
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Donald E. Olander
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F42 - AMMUNITION BLASTING
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Pyrotechnic composition
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Patent number 4,402,774
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Issue date Sep 6, 1983
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Hi-Shear Corporation
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Donald E. Olander
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C06 - EXPLOSIVES MATCHES
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Pyrotechnic composition
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Patent number 4,381,207
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Issue date Apr 26, 1983
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Hi-Shear Corporation
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Donald E. Olander
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C06 - EXPLOSIVES MATCHES