Optics and photonics. Optical materials and components. The powder test method for the water resistance of optical glass Ingestion-build-143074 BS EN 1641:2004 specifies general

BS EN 1641:2004 specifies general requirements for materials used in the practice of dentistry for the restoration of the form and function of the dentition and which are medical devices

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Optics and photonics. Optical materials and components. The powder test method for the water resistance of optical glass Ingestion-build-143074 BS EN 1641:2004 specifies general1 Scope This document specifies the general procedures of the powder test method for the water resistance of optical glass.