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Publication of FR488016ApublicationCriticalpatent/FR488016A/fr
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16J—PISTONS; CYLINDERS; SEALINGS
F16J13/00—Covers or similar closure members for pressure vessels in general
F16J13/02—Detachable closure members; Means for tightening closures
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Mechanical Engineering
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FR488016D1917-12-171917-12-17Perfectionnements aux tampons de trous d'homme pour sommets de réservoirs et analogues
ExpiredFR488016A
(fr)