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[Class - 17]

Packing and stopping materials, including mechanical seals of all kinds, sealing rings, lip seals, gap seals, labyrinth seals, gland sealings, seals for rotary tubular kilns.

[Class - 7]

Shaft seals; single-acting and double-acting mechanical seals with gas or liquid lubrication for sealing liquid or gaseous media; box-type mechanical seals; mechanical seals with sealing fluid supply; mechanical seals with rinse functions; mechanical seals with leak recovery mechanisms; mechanical seals with leak checking mechanisms; all the aforesaid goods being machine parts; machines for pressurization, circulation and/or tempering of fluids used in mechanical seals; mechanical apparatus and equipment, namely counter-pressure units, fluid backfeed units, fluid circulating units, separators for impurities; apparatus and equipment for leak collection; gas supply units (machine parts) for mechanical seals with gas lubrication.