9th July 1948, Page 52
9th July 1948
Page 52
Page 52, 9th July 1948
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A Résumé Of Recently Published Patent Specifications
Novelty in Injection Pump Design A N unorthodox design of injection pomp is shown in patent No. 598,454, by Ca!list°, a French concern, of Neuilly-sur-Seine. The most unusual......