中华人民共和国航空工业部部标准 HB1568-87 凸头丁形键 代替HB1568-75 4 0.4 V 6.5 H 分类代号:z303G 标记示刻:L二20mmH=5.5mm标记为 2303005 mm 标记代号 H Z303005 20 Z303010 30 55 Z303015 20 Z303020 30 8.5 Z303025 45 Z303030 20 Z303035 30 12.5 Z303040 45 1材料T8A按GB1298-77. 2热贝理.HRC48-53. 3技术茶件,按HB1770-87 空工业部1987一04-08 发布 1987-07-01 实施 ...
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