Dentistry; Stiffness of the tufted area of tooth-brushes
Описание (англ.):
Specification of a test method and grading scheme for the stiffness of the tufted area of conventional manual tooth-brushes, together with the relevant information concerning definitions and those concerning testing machines. The original number of classifications of five categories has been reduced to three ones, i.e. soft, medium and hard. Eight definitions of important terms are given.
Дата регистрации:
01.12.87
Дата введения:
01.10.87
Код КГС:
Р19
Код ОКСТУ:
9364;9309
Код ОКС(МКС):
11.060.20
Код ОКП:
9364;9309
Нормативные ссылки:
DIN 13917-2-1990, EQV*EN 28627-1990, EQV*NF EN 28627(1990/AFNOR), EQV*NBN EN 28 627(1990/IBN), EQV*NS-ISO 8627(1990/NSF), EQV*SS 87 754 01(1989/SIS), EQV*ISO 8627(1987/SNV), EQV*NEN-ISO 8627(1991/NNI), EQV*UNI EN 28627(1991/UNI), EQV*OENORM EN 28627(1991/ON), EQV*NF S91-401(1990/AFNOR), EQV*SS 87 754 01(/SIS), EQV*UNE 106-955-91(1991/AENOR), EQV*DS/EN 28627(1991/DS), EQV*BS 5757(1989/BSI), EQV*AMD 6678(/BSI), EQV*EN 28 627(/ITM), EQV*SFS-EN 28627(1991/SFS), EQV*IST L 500(1991/STRI), EQV*SS-EN 28627(1990/SIS), EQV
Ключевые слова:
CLASSIFICATION CLASSIFICATION SYSTEMS DENTISTRY HARDNESS STIFFNESS STIFFNESS TESTS TEST EQUIPMENT TESTING TESTS TOOTH-BRUSHES TOOTHBRUSHES CLASSIFICATIONS RIGIDITY