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  • HB 1226-1987偏心横槽正方形支承2022-11-06
  • HB 737-1992加工铝合金下料立铣刀用槽铣刀.D=40mm2022-11-06
  • HB 8007-2002LY9铝合金90°沉头环槽铆钉Pins 90°countersunk head in aluminum alloy material2022-11-06
  • HB 7578-1997铸件试制定型规范2022-11-06
  • HB/Z 5104.1-1999铝合金硫酸阳极氧化溶液分析方法 电位滴定法测定游离硫酸和化合硫酸的含量...2022-11-06
  • HB 5830.12-1986机载设备环境条件及试验方法.盐雾2022-11-06
  • HB 1285-1987右弯头钻模板2022-11-06
  • HB 1362-1987弓形夹2022-11-07
  • HB 6244-1989角形垂直外舌止动垫圈2022-11-07
  • HB 1-609-1983平头高抗剪强度铆钉2022-11-07
  • HB 3693-1986加工普通钢通孔普通螺纹带后引导的短柄机、手用丝锥 d=6~11mm2022-11-07
  • HB 7743-2004直升机桨叶摆振阻尼器通用规范General specification for helicopter blade lead-lag damper...2022-11-07
  • HB 6180-1988圆珠尼龙卡带2022-11-07
  • HB 2-57-1994销子2022-11-07
  • HB 8439-2014民用飞机自动驾驶仪通用规范2022-11-07
  • HB 2-55-1994接线盒锁用弹簧2022-11-07
  • HB 3941-1987一竖槽长方形支承2022-11-07
  • HB 6575-1992飞机蓄电池继电器控制装置通用规范2022-11-07
  • HB 5168-1996金属布氏硬度试验方法2022-11-07
  • HB 913-2000冷气低压安全阀门2022-11-07
  • HB 4245-2004轻合金安装钢丝螺套用内螺纹不通孔的机、手用丝锥Non through -- hole machine and hand taps of inter...2022-11-07
  • HBm 67-1988聚酯熔体过滤器滤芯技术条件2022-11-07
  • HB 5189-1981航空用贵金属及其合金管材2022-11-07
  • HB 3070-1989棘轮铰杠 a=4.5~202022-11-07