EN 22157:1989
Dentistry; dental rotary instruments; nominal sizes and designation (ISO 2157:1984)
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EN 22157:1989
Standard No.
EN 22157:1989
Release Date
1989
Published By
European Committee for Standardization (CEN)
Status
Withdraw
Replace By
EN 22157:1990
Latest
EN 22157:1990
EN 22157:1989 history
1990
EN 22157:1990
Dentistry Dental Rotary Instruments Nominal Sizes and Designation
1989
EN 22157:1989
Dentistry; dental rotary instruments; nominal sizes and designation (ISO 2157:1984)
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