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3026221
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Patent number 3,026,221
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Issue date Mar 20, 1962
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C06 - EXPLOSIVES MATCHES
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2918362
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Patent number 2,918,362
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Issue date Dec 22, 1959
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C06 - EXPLOSIVES MATCHES
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2861875
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Patent number 2,861,875
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Issue date Nov 25, 1958
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C06 - EXPLOSIVES MATCHES
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2733139
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Patent number 2,733,139
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Issue date Jan 31, 1956
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C06 - EXPLOSIVES MATCHES
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1882190
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Patent number 1,882,190
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Issue date Oct 11, 1932
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C06 - EXPLOSIVES MATCHES
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1327859
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Patent number 1,327,859
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Issue date Jan 13, 1920
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C06 - EXPLOSIVES MATCHES