I.S. EN 21797:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
DENTISTRY: ROTARY INSTRUMENTS: SHANKS
12-12-1995
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.
Lays down specifications for shanks of dental rotary instruments and specifies methods of measurement for the verification of the dimensions.
| DocumentType |
Standard
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 21797 : 1989 | Identical |
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