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FIELD: sealing devices for revolving shafts of pumps, machines and equipment in chemical, oil-refining and other industries. SUBSTANCE: surfaces of friction rings are provided with circular grooves of half-round section for forming tore-shaped cavity during assembly where tore-shaped ring engageable...

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Bibliographische Detailangaben
Hauptverfasser: SMAL'KO MIKHAIL ANATOLIEVICH, ZAVGORODNIJ PETR FEDOROVICH, POKHIL'CHUK IGOR' ALEKSANDROVICH, STRELETS VLADIMIR NIKOLAEVICH, BUNJAK LJUBOMIR KONSTANTINOVICH
Format: Patent
Sprache:eng ; rus
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