JIS B 7431:1977
Current
Optical parallels
English
02-01-1977
This Japanese Industrial Standard specifies the optical parallels made of transparent glass having parallel and flat measuring surface to be used for measurement of flatness and parallelism by optical wave interference, hereinafter referred to as the \"parallels\".
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
Japanese Standards Association
|
| Status |
Current
|
Reaffirmed 2016
| JIS B 7502:1994 | Micrometer callipers |
| JIS B 7544:1994 | Depth micrometers |
| JIS B 7520:1981 | Indicating micrometers |
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