[机械行业标准] JB/T 4315-2020 起重机械电控设备

4.67 MB2022-06-03

[机械行业标准] JB/T 2750-2020 高纯石墨

1.45 MB2022-06-02

[机械行业标准] JB/T 14104-2020 异形沉淀池刮泥机

3.19 MB2022-06-03

[机械行业标准] JB/T 14099-2020 水平烟道除雾器

2.5 MB2022-06-03

[机械行业标准] JB/T 14097-2020 上流式多相芬顿塔

2.74 MB2022-06-02

[机械行业标准] JB/T 14094-2020 螺旋式砂水分离器

2.57 MB2022-06-03

[机械行业标准] JB/T 14093-2020 连续式过滤器

2.92 MB2022-06-02

[机械行业标准] JB/T 14088-2020 袋式除尘器 滤袋

4.11 MB2022-06-02

[机械行业标准] JB/T 14087-2020 穿层式中心传动刮泥机

3 MB2022-06-03

[机械行业标准] JB/T 14084-2020 板框式旋转滤网除污机

2.67 MB2022-06-03

[机械行业标准] JB/T 14082-2020 自走式精细旋耕施药机

4.5 MB2022-06-03

[机械行业标准] JB/T 14081-2020 自走式精细旋耕施肥机

4.36 MB2022-06-03

[机械行业标准] JB/T 14046-2020 移动式水切割机

3.18 MB2022-06-02

[机械行业标准] JB/T 14043-2020 饲料机械 粉料高方筛

3.16 MB2022-06-02

[机械行业标准] JB/T 14042-2020 饲料环模制粒机

5.62 MB2022-06-03

[国外标准] ASME B30.1-2020 Jacks, Industrial Rollers, Air Casters, and Hydraulic Gantries

44.22 MB2022-05-24

[国外标准] ASME B16.47-2020 Large Diameter Steel Flanges NPS 26 Through NPS 60 Metric_Inch Standard

66.21 MB2022-05-24

[国外标准] ASME A18.1-2020 Safety Standard for Platform Lifts and Stairway Chairlifts

87.83 MB2022-05-24

[国外标准] AATCC M14-2020 Guidance and Considerations for General Purpose Textile Face Coverings_ Adult

6.74 MB2022-05-24

[国外标准] AATCC EP2-2020 Evaluation Procedure for Gray Scale for Staining

2.18 MB2022-05-24

[国外标准] AATCC 97-2020 Test Method for Extractable Content of Textiles

2.81 MB2022-05-24

[国外标准] AATCC 61-2020 Test Method for Colorfastness to Laundering_ Accelerated

4.17 MB2022-05-24

[国外标准] AATCC 23-2020 Test Method for Colorfastness to Burnt Gas Fumes

2.21 MB2022-05-24

[国外标准] AATCC 210-2020 Test Method for Electrical Resistance Before and After Various Exposure Conditions

4.35 MB2022-05-24

[国外标准] AATCC 20A-2020 Test Method for Fiber Analysis_ Quantitative

8.31 MB2022-05-24