Dental rotary instruments; Nominal sizes and designation
Описание (англ.):
Specification of the nominal diameters of the working parts of dental rotary instruments, for example burs, laboratory burs, grinding instruments, diamond instruments, mandrels, etc. and their corresponding designation. It does not cover the diameters of root canal instruments. It constitutes a technical revision of the first edition of this standard.
Заменён стандартами:
ISO 2157(1992.06)
Дата введения:
01.09.84
Дата отмены:
01.06.92
Нормативные ссылки:
BS 4178 PART 2-1972, EQV*DIN 13950-2-1990, EQV*NF S91-102-1984, EQV*EN 22157-1989, EQV*NF EN 22157(1989/AFNOR), EQV*BS 6828 PART 2(1987/BSI), EQV*NBN EN 22 157(1989/IBN), EQV*NEN-ISO 2157(1989/NNI), EQV*NS-ISO 2157(1989/NSF), EQV*SFS-EN 22157(1990/SFS), EQV*SS-EN 22 157(1990/SIS), EQV*ISO 2157(/SNV), EQV*UNI EN 22157(1990/UNI), EQV