QC/T 550-1999
car buzzer (English Version)
- Standard No.
- QC/T 550-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Automobile
- Status
- 2022-02
- Replace By
- QC/T 550-2021
- Latest
- QC/T 550-2021
- Replace
- JB 3920-1985
- Scope
- This standard applies to all types of automotive contact alarm buzzers with nominal voltages of 6V, 12V and 24V.
QC/T 550-1999 history
- 2021 QC/T 550-2021 car buzzer
- 1999 QC/T 550-1999 car buzzer
- 1970 JB 3920-1985
QC/T 550-1999 car buzzer has been changed from JB 3920-1985 .
