UNI EN ISO 2157 : 1997
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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DENTISTRY - NOMINAL DIAMETERS AND DESIGNATION CODE NUMBERS FOR ROTARY INSTRUMENTS
Superseded date
15-08-2022
Published date
01-01-1997
Defines the nominal diameters of the working parts of dental rotary instruments, for example burs, laboratory burs, grinding instruments, diamond instruments, mandrels and the corresponding designation.
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