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JEAN MICHEL BOCKENHEIM
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JEAN MICHEL BOCKENHEIM
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Application filed by JEAN MICHEL BOCKENHEIMfiledCriticalJEAN MICHEL BOCKENHEIM
Application grantedgrantedCritical
Publication of FR352489ApublicationCriticalpatent/FR352489A/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
F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
FR352489D1905-03-181905-03-18Appareil de sureté pour niveaux d'eau
ExpiredFR352489A
(fr)