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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
F16L11/00—Hoses, i.e. flexible pipes
F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
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FR488173D1917-02-161917-12-27Support ou tuyau flexible perfectionné pour bruleurs à gaz ou à combustible liquide ou pour dispositifs analogues
ExpiredFR488173A
(fr)