Sewing machine

The present invention relates to a sewing machine that has improved conveying performance for a sewing object. The sewing machine includes: a pressing spring for applying a force downwards to a presser rod; a presser foot body that is fixed to the presser rod and has a presser foot; lower feeding te...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: AZUMA, TOYOHIRO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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