This standard is one of a series of basic ones which constitute an important link between the standards on dental instruments and those on dental handpieces. It is a technical revision of the first edition; it lays down specifications for shanks and specifies methods of measurement for the verification of these dimensions. A quality control requirement is given in order to ensure a high quality level.
Заменён стандартами:
ISO 1797-1(1992.02)*ISO 1797-2(1992.02)
Дата введения:
01.09.85
Дата отмены:
01.02.92
Нормативные ссылки:
DIN 13950-1-1990, EQV*NF S91-101-1986, EQV*EN 21797-1989, EQV*NF EN 21797(1989/AFNOR), EQV*BS 6828 PART 1(1987/BSI), EQV*NBN EN 21 797(1989/IBN), EQV*NEN-ISO 1797(1989/NNI), EQV*NS-ISO 1767(1989/NSF), EQV*SFS-EN 21797(1990/SFS), EQV*SS-EN 21 797(1990/SIS), EQV*ISO 1797(1985/SNV), EQV*UNI EN 21797(1990/UNI), EQV*UNI EN 21797(1990/UNI), EQV