| 摘要 |
A filament machine sewing thread comprising a spun combined filament yarn obtained by combining polyester filaments A having an intrinsic viscosity Ä eta ÜF within the range of 0.7 to 1.2 with polyester filaments B having a lower intrinsic viscosity Ä eta ÜF than that of the polyester filaments A by 0.2 to 0.7 and a higher elongation than that of the polyester filaments A in a spinning stage. |
