JB/T 8604-1997 This standard specifies the terminology, technical requirements, inspection methods, marking and packaging of pneumatic small nozzle inner diameter measuring devices (hereinafter referred to as inner diameter measuring devices). This standard is applicable to inner diameter measuring devices with nozzles of φ0.3~0.4mm. Other measuring devices with nozzles of φ0.3~0.4mm can also be used with reference.
JB/T 8604-1997 history
2012JB/T 8604-2012 Small-nozzle type of pneumatic internal sensing device
1970JB/T 8604-1997 Pneumatic small nozzle type inner diameter measuring unit