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  • HB 4529.35-1991H型孔系组合夹具定位件.活动顶尖2022-12-17
  • HB 2-27-1994挤压型材合页片2022-12-17
  • HB/Z 335-1999紧固件二硫化钼干膜润滑剂涂覆工艺2022-12-17
  • HB 20095-2012复合材料结构件超声C扫描检测方法2022-12-17
  • HB 4356-1989台阶压板2022-12-17
  • HB 6335-2002平锥头半空心铆钉(6335)2022-12-17
  • HB 5570-1983弯管接头2022-12-17
  • HB 1286-1987左弯头钻模板2022-12-17
  • HB 6303-2002平锥头铆钉(6303)2022-12-17
  • HB 7712-2002飞机燃气涡轮发动机空气起动机控制活门通用规范Valve starter control pneumatic aircraft engine g...2022-12-17
  • HB 4185-1989端齿盘2022-12-17
  • HB 8184-2002扩口式带收紧螺母弯管接头(8184)2022-12-17
  • HB 4270-2004钢丝螺套用标准螺孔环小径的光滑塞规Small diameter smooth plug gauge of standard tapping ring for ...2022-12-17
  • HB 6321-1989管状铆钉2022-12-17
  • HB 7570-1997DZ22合金锭2022-12-17
  • HB 4534.4-1991H型孔系组合夹具成组定位夹紧件.双楔浮动卡紧爪2022-12-17
  • HB 6771-1993银基钎料2022-12-17
  • HB 7426-1996铰链连接用ＭＪ螺纹光杆公差带ｆ７短螺纹小六角头螺栓2022-12-18
  • HB/Z 5087.6-2004酸性电镀铜溶液分析方法 第6部分:分光光度法测定砷的含量Methods for analysis of acid plating c...2022-12-18
  • HB 1304-1987弯头压板2022-12-18
  • HB 4088-1988双耳凸模座2022-12-18
  • HB/Z 323-1998飞行推力测量不确定度分析技术指南2022-12-18
  • HB 5-36-1983叉形螺栓2022-12-18
  • HB 6002-200821MPa无扩口拧入式45°弯管接头2022-12-18
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