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CA1115954A
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Exothermic composition from calcium chloride, sodium sulfate when contacted with water
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Exo-thermic heat transfer
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Exothermic composition and hot pack
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Endothermic composition and cold pack
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Chemical heat transfer unit
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Heat transfer package with a collapsible, pleated, frusto-conical, upper wall section
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Collapsible heat transfer package
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Exo-thermic heat transfer
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Heat transfer package with shaped frangible ampule
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Heat exchanging appts - with potential generated by a chemical reaction
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Heat exchanging appts - with potential generated by a chemical reaction
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Heat transfer unit
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Chemical heat transfer unit
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Chemical heat transfer unit
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Heat transfer unit
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