I.S. EN 22157:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
DENTAL ROTARY INSTRUMENTS - NOMINAL SIZES AND DESIGNATION
23-07-2013
12-01-2013
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Describes the nominal diameters of the working parts of dental rotary instruments, for example burrs, laboratory burrs, grinding instruments, diamond instruments, mandrels, etc. and the corresponding designation.
| DocumentType |
Standard
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 2157:2016 | Identical |
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