QB/T 2816-2006 Industrial sewing machine Single (twin) needle bottom feed post bed lockstitch sewing machine head

QB/T 2251-1996 QB/T 2252-1996 Stitching machine head start torque testing method QB/T 2256-1996 Industrial sewing machine GC type high-speed straight needle machine head for embroidery QB/T 2505-2000 The blackening technical specification for sewing machine parts QB/T 2528-2001 Sewing machine painting technical specifications QB/T 2627-2004 Industrial sewing machine test method for continuous sewing QB/T 2628-2004 Industrial swing machine-Determination of multiply material sewing GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 16469-1996 Sewing machine packing GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 4515-1984 Stitch types—classification and terminology GB/T 5325-1997 Combed polyester/cotton grey fabrics GB/T 6836-1997 Spun polyester sewing thread QB/T 1177-1991 The testing method for noise level of industrial sewing machines QB/T 1178-2006 Industrial sewing machine vibration testing method QB/T 1572-1992 Sewing machine parts - General technical conditions for electroplating QB/T 2045-1994 Test methods for line-stitching shrinkage and seam-layer migration in industrial sewing machines