Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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D App Electr Fr Sauter S A Fab
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D App Electr Fr Sauter S A Fab
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Application filed by D App Electr Fr Sauter S A FabfiledCriticalD App Electr Fr Sauter S A Fab
Application grantedgrantedCritical
Publication of FR661987ApublicationCriticalpatent/FR661987A/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