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ÖNORM EN ISO 21606:2007-10

Действует
Dentistry - Elastomeric auxiliaries for use in orthodontics (ISO 21606:2007)
This ÖNORM is applicable to all elastomeric auxiliaries including orthodontic elastics, elastomeric bands, chains, links, thread, and ligatures used for orthodontics both inside and outside the mouth, in conjunction with fixed and removable appliances.
ICS
11.060.10 Dental materials / Стоматологические материалы