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  • HB 4540-1992MJ内螺纹第Ⅰ系列工艺底孔用针式双头光滑塞规 MJ1.6~MJ32022-08-09
  • HB 3998-1987内螺纹小径用圆锥尾量头单头通端光滑塞规 M3.5?M402022-08-09
  • HB 6-34-1983橡胶保护套2022-08-09
  • HB 5297.9-2001钛合金化学分析方法 α-安息香肟重量法测定钼含量2022-08-09
  • HB 4634-1992加工高强度钢MJ螺纹螺栓用滚丝轮.45-12型.d=3~22mm.P=0.5~1.5mm2022-08-09
  • HB 7442-1996MJ螺纹光杆公差带r6短螺纹十字槽100°沉头螺栓2022-08-08
  • HB 1-129-198390°沉头螺栓2022-08-08
  • HB 4533.16-1991H型孔系组合夹具钻模类件.钻模支承2022-08-08
  • HB 5643-1987自锁螺母试验要求和方法2022-08-08
  • HB 6239-1989半圆头铆钉2022-08-08
  • HB 8061-2002MJ螺纹双耳密封托板自锁螺母Self-locking sealed two lug anchor nuts with MJ thread2022-08-08
  • HB 4-40-1983组合导管2022-08-08
  • HB 8106-2002金属氟塑料衬套Bush for metal fluoroplastics2022-08-08
  • HB 7149.11-1995大型系列组合夹具合件.斜向压紧器2022-08-08
  • HB 3-42-2000弹簧卡箍2022-08-08
  • HB 4-43-2002扩口式组合导管第1尺寸系列(43)2022-08-08
  • HB 5940-1986飞机系统电磁兼容性要求2022-08-08
  • HB 6984-1994175℃A型矩形端子2022-08-08
  • HB 5209-1982金属艾氏冲击试验方法2022-08-08
  • HB 4-34-2002扩口式组合导管 第1尺寸系列2022-08-08
  • HB 1664-1987不抬式端齿分度台2022-08-08
  • HB 7359-1996推拉式铰链压紧器2022-08-08
  • HB 8442-2014民用飞机供氧系统通用要求2022-08-08
  • HB 4375-1989长方支承板毛坯2022-08-08