JJF 1939-2021
JJF 1939-2021, Total:5 items.
The international standard classification for "JJF 1939-2021" includes: .
The Chinese standard classification for "JJF 1939-2021" includes: .
National Metrological Technical Specifications of the People's Republic of China
- JJF 1939-2021 Calibration Specification for Thermo-anemoscopes
工业和信息化部
- QB/T 1939-2021 Mechanical timer for electric fan
Professional Standard - Public Safety Standards
- GA/T 1939-2021 Forensic sciences-Examination methods for electric marks-Scanning electron microscopy/energy dispersive X-ray spectrometry
Qinghai Provincial Standard of the People's Republic of China
- DB63/T 1939-2021 Technical specification for diagnosis and prevention of yak nodular skin disease
Beijing Provincial Standard of the People's Republic of China
- DB11/T 1939-2021 Technical specifications for breeding and release of predatory natural enemies
jjf 1402,jjf 1550,jjf 1270,jjf 065,jjf 1528,jjf 1544,jjf 1507,jjf 1317,jjf 1570,jjf 1488,jjf 1159,jjf 1537,jjf 1577,jjf 1460,jjf 1471,jjf 1455,jjf 1568,jjf 1476,jjf 1574
