GB/T 12273-1996 Quartz crystal units--A specification in the Quality Assessment System for Electronic Components--Part 1: Generic specification (English Version)
According to Chapter 11 of IEC QC001002, this standard specifies the test methods and general requirements for quartz crystal components whose quality is assessed by the capability approval procedure or qualification approval procedure.
GB/T 12273-1996 history
2017GB/T 12273.1-2017 Quartz crystal units of assessed quality—Part 1:Generic specification
1996GB/T 12273-1996 Quartz crystal units--A specification in the Quality Assessment System for Electronic Components--Part 1: Generic specification