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RHONE LANGUEDOC AMENAGEM
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RHONE LANGUEDOC AMENAGEM
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Application filed by RHONE LANGUEDOC AMENAGEMfiledCriticalRHONE LANGUEDOC AMENAGEM
Priority to FR7141387ApriorityCriticalpatent/FR2159834A6/fr
Application grantedgrantedCritical
Publication of FR2159834A6publicationCriticalpatent/FR2159834A6/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