A system for use in a structure for refilling portable self-contained breathing apparatus comprising a plurality of stations including a first station, an intermediate station and an end station, apparatus for coupling the first station to a source of compressed air, tubing for conducting compressed...http://www.google.es/patents/US4862931?utm_source=gb-gplus-sharePatente US4862931 - Apparatus and method for refilling self-contained breathing apparatus
Apparatus and method for refilling self-contained breathing apparatus
