标准号:DIN ISO 9177-3-1995
中文标准名称:自动铅笔.第3部分:黑笔芯.HB笔芯的抗弯强度; 等同采用 ISO 9177-3:1994
英文标准名称:Mechanical pencils - Part 3: Black leads; bending strengths of HB leads; identical with ISO 9177-3:1994
标准类型:Y50
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:Y50
国际标准分类号:01.100.40
适用范围:The document establishes bending strengths and a test method for HB-leads.