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Priority claimed from DE1967Q0000937external-prioritypatent/DE1962681U/de
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Publication of NL6800732ApublicationCriticalpatent/NL6800732A/xx
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear