GB189807131A - Improvements in or connected with Elevating Granular, Pulverulent, or like Substances, also applicable in the Drying of such Substances.
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Improvements in or connected with Elevating Granular, Pulverulent, or like Substances, also applicable in the Drying of such Substances.
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Peter Duff
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Individual
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7131. Duff, P. March 24. Drawings to Specification. Ventilating ships.-Elevator tubes when not in use are fitted with cowls and used for ventilating purposes.
GB189807131D1898-03-241898-03-24Improvements in or connected with Elevating Granular, Pulverulent, or like Substances, also applicable in the Drying of such Substances.
ExpiredGB189807131A
(en)
Improvements relating to the Charging of Liquids with Gases by Means of Containers, such for example as those known as "Sparkles," and Means to be employed in charging the said Containers.