Turn over and roll over spring and have release bearing unit of rolling over spring in this reverse side

The utility model relates to a turn over and roll over spring and have release bearing unit of rolling over spring in this reverse side. Roll over the spring including turning over, still include outer lane, inner circle, sealing washer, steel ball, holder, fixed plate, well core housing, the outer...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HUANG DONGXUN, SHEN RENRONG, LUO DINGHUI
Format: Patent
Sprache:eng
Schlagworte:
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