JIS T 7319:1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Refractometers
English
30-11-1988
23-12-2016
This Japanese Industrial Standard specifies the refractometer with which the spherical refracting power, cylindrical rdfracting power and astigmatic axial direction of a lens for correction required to gain the same condition as the refracting power of an eye, namely the normal vision, are to be known, measuring the refreacting conditions of an eye-ball optical objectively.
| DocumentType |
Standard
|
| Pages |
5
|
| ProductNote |
Japanese PDF version unavailable from Intertek Inform.
|
| PublisherName |
Japanese Standards Association
|
| Status |
Superseded
|
| SupersededBy |
Reaffirmed 2009
A newer version of this standard is available.
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