Juki MF-7522 C11B40 Two Needle, top & bottom flatbed coverstitch machine for Collarettes (Setup with
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2 or 3-needle Industrial Stretch Sewing Machine Rule, Seam Guide, Hemmer Guide, Hem Guide for Industrial Coverstitch Machine - AliExpress
Amazon.com: Juki MF-7923-3 Needle Coverstitch, Cylinder Bed Industrial Machine w/Table & Motor (Table Comes Assembled) - Used to be MF-7823 : Arts, Crafts & Sewing
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Techsew T450-COL Cylinder Coverstitch Industrial Sewing Machine with Collarette Attachment and Direct Drive Motor