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FR1148031A
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Packaging improvements
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FR911157A
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Improvements to the anchoring of plasters on transparent films swelling with water
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FR911156A
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Water and vapor waterproofing process for films swelling in water
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GB313258A
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Improvements relating to the clarification of cellulose hydrolysis products
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GB307985A
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Improvements relating to the recuperation of hydrochloric acid gas from aqueous hydrochloric acid
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GB307986A
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Improvements relating to the recovery of hydrochloric acid
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GB278450A
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Process for the saccharification of wood
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