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Publication of FR737867ApublicationCriticalpatent/FR737867A/fr
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
F16K27/00—Construction of housing; Use of materials therefor
F16K27/10—Welded housings
F16K27/105—Welded housings for gate valves
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General Engineering & Computer Science
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Mechanical Engineering
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FR737867D1931-06-011932-05-31Organe d'arrêt destiné à être intercalé dans une tuyauterie
ExpiredFR737867A
(fr)
Mécanisme effectuant automatiquement les opérations réalisables à l'aide des logarithmes, et son application aux appareils indicateurs à compteurs multiples combinés