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Match head formulations
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Patent number 5,476,557
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Issue date Dec 19, 1995
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Bryant & May Ltd.
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Michael G. C. Cox
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3904451
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Patent number 3,904,451
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Issue date Sep 9, 1975
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3765174
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Patent number 3,765,174
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Issue date Oct 16, 1973
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3437534
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Patent number 3,437,534
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Issue date Apr 8, 1969
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C06 - EXPLOSIVES MATCHES
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3133841
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Patent number 3,133,841
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Issue date May 19, 1964
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C06 - EXPLOSIVES MATCHES