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PD IEC TR 61282-7 assists the user with the technique which is used to characterise the distribution of a single population of fibres as well as with all the necessary details of chromatic dispersion
BS EN 1622 provides you with apparatus
photographing or recording electronic images of the fundus of the human eye in order to provide the image information for diagnosis
It is applicable to lightweight and general purpose and thin layer mortars using specimens of regular shape
Packaging industries
Dental materials. Guidance on testing of wear - Wear by toothbrushing Ingestion-build-207047 PD IEC TR 61282-7 assists1 Scope This part of ISO TR 14569 provides guidelines for test methods for the assessment of resistance to wear by tooth brushing for the following materials: materials used for the preparation of artificial teeth; veneering of crowns and bridges. This part of ISO TR 14569 does not cover phenomena such as the marginal degradation and loss of substance by chemical processes, swelling, splintering of edges or wear from contact with the antagonist.
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