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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
DENTAL ROTARY INSTRUMENTS - NOMINAL SIZES AND DESIGNATION
07-23-2013
01-12-2013
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.
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.
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