Respiratory protective devices. Threads for facepieces - Standard thread connection Ingestion-build-73935 Test methods for mammographic X-ray

Test methods for mammographic X-ray equipment

BS EN 50014:1998 which remains obsolescent and will be withdrawn on 1 March 2007

Higher levels of discretionary effort

coastal waters

Factors for the conversion of common units

Respiratory protective devices. Threads for facepieces - Standard thread connection Ingestion-build-73935 Test methods for mammographic X-rayWhat is this standard about? This document specifies standard threads for respiratory protective devices and the description of test devices necessary for the assessment of some of the requirements. This document does not apply to diving equipment and to positive pressure demand breathing apparatus.