QC/T 549-1999
car backup alarm (English Version)
- Standard No.
- QC/T 549-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Automobile
- Latest
- QC/T 549-1999
- Replace
- JB 3919-1985
- Scope
- This standard applies to all types of automotive reversing alarms with nominal voltages of 12V and 24V. Intermittent warning signals are emitted when reversing to prevent reversing traffic accidents.
QC/T 549-1999 history
- 1999 QC/T 549-1999 car backup alarm
- 1970 JB 3919-1985
QC/T 549-1999 car backup alarm has been changed from JB 3919-1985 .
