END-FACE SEAL FRICTION PAIR
SHMARYAN EFIM M,SU, ROMENSKIJ NIKOLAJ P,SU, SUPRUNCHUK VLADIMIR K,SU, ABELYANTS VIKTOR G,SU, SHCHUTSKIJ VALENTIN P,SU, VLADIMIRSKIJ EDUARD S,SU
Year of Publication 23.06.1988
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Year of Publication 23.06.1988
Patent