QB/T 1039-1991
Rotor Magnets for Analog Quartz Watches (English Version)
- Standard No.
- QB/T 1039-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Light Industry
- Status
- 2010-10
- Replace By
- QB/T 1039-2010
- Latest
- QB/T 1039-2010
- Scope
- This standard specifies the size series, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements for analog quartz watch rotor magnets (hereinafter referred to as "magnets"). This standard applies to a pair of pole radially magnetized rotor magnets for pointer type quartz single-phase permanent magnet stepper motors.
QB/T 1039-1991 history
- 2010 QB/T 1039-2010 Rotor magnet-steel for analogue quartz watches
- 1991 QB/T 1039-1991 Rotor Magnets for Analog Quartz Watches
