JIS B 7431:1977
Current
Current
The latest, up-to-date edition.
Optical parallels
Available format(s)
PDF
Language(s)
English
Published date
01-02-1977
Publisher
€19.78
Excluding VAT
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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