OMITTED

PURPOSE: A device for providing rotary force by adjusting the length of an arm is provided to increase the rotary efficiency by applying driving power which rotates a length control bar. CONSTITUTION: A device(100) for providing rotary force by adjusting the length of an arm comprises a vertical fra...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: JEONG, YEONG JO
Format: Patent
Sprache:eng ; kor
Schlagworte:
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