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       R & D
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     R & D (Chetra Sealing Technology)
     R & D (CHETRA GmbH)
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  • OMEGA grooves for gas-lubricated seals protected by DGM 202.16587.6

  • Aktiv-LUB-System for sealing low-speed equipment (mixers) and barrier-fluid protected by DGM 202.11805.3

  • Integrated feed-system for double mechanical seals protected by DGM 202.12246.8

DGM = German Utility Model Deutsches Patentamt / German Patent Office