IS 9261 : 1979 Symbolization of control positions for time-keeping instruments
| UDC 628.111/.118.057 : 003.62 | PGD 23 |
|
| Reaffirmed 2018 |
1 Scope
Specifies symbols to be utilized for representing the differentpositions in which timekeeping instruments are placed for testingand control purposes.
1.1 It applies mainly to wrist watches and pocket watches, Itmay also be used for other types of timekeeping instruments.