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D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
D05B1/24—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making blind-stitch seams
D—TEXTILES; PAPER
D05—SEWING; EMBROIDERING; TUFTING
D05B—SEWING
D05B47/00—Needle-thread tensioning devices; Applications of tensometers