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δακτύλιος στεγανοποίησης
earth.sc., mech.eng.	friction ring; rubbing ring
mater.sc., mech.eng.	annular seal; circumferential joint
mech.eng.	sealing washer; seal; close joint; leak-proof joint; sealing; tight joint
transp., mech.eng.	oil seal ring

δακτύλιος στεγανοποίησης: 2 phrases in 1 subject

Mechanic engineering

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