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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
F16L59/00—Thermal insulation in general
F16L59/06—Arrangements using an air layer or vacuum
F16L59/07—Arrangements using an air layer or vacuum the air layer being enclosed by one or more layers of insulation
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FR1121211D1955-03-151955-03-15Chape préfabriquée pour calorifuge et son procédé de fabrication
ExpiredFR1121211A
(fr)