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Publication of NL48321CpublicationCriticalpatent/NL48321C/xx
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16J—PISTONS; CYLINDERS; SEALINGS
F16J1/00—Pistons; Trunk pistons; Plungers
F16J1/005—Pistons; Trunk pistons; Plungers obtained by assembling several pieces