ISO 4814-1980 标准详情
- 标准号:ISO 4814-1980
- 中文标题:家用缝纫机 缝线张力稳定性的测定
- 英文标题:Household sewing machines; Determination of stability of needle thread tension
- 标准类别:国际标准化组织标准ISO
- 发布日期:1980-02
Specifies a method of test for determining the variation of needle thread tension at given positions of the tension regulator. The method is applicable to motor-operated household sewing machines, but it may also be possible to apply it to hand- or t
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