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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
F16J—PISTONS; CYLINDERS; SEALINGS
F16J15/00—Sealings
F16J15/54—Other sealings for rotating shafts
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FR558077D1922-02-251922-02-25Dispositif de presse-étoupes pour pompes rotatives
ExpiredFR558077A
(fr)