TREA

Rings for preventing wear of grooves or like seatings

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Industry

  • CPC
  • F16J9/22
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16JPISTONS CYLINDERS SEALINGS F16J9/00Piston-rings

Current Industry

F16J9/22Rings for preventing wear of grooves or like seatings
Industries