QB/T 2265-1996 Classification, designation and numbering of parts of mechanical timekeeping instruments Classification, designation and numbering of parts of pin-type alarm clocks (English Version)
This standard specifies the classification, names and numbers of parts, parts and components of pin-type alarm clocks. This standard applies to the classification, names and numbers of parts, parts and components of mechanical alarm clocks. Mechanical timers can also be used with reference.
QB/T 2265-1996 history
1997QB/T 2265-1996 Classification, designation and numbering of parts of mechanical timekeeping instruments Classification, designation and numbering of parts of pin-type alarm clocks