BREATHING APPARATUS
http://data.posccaesar.org/rdl/RDS621044
<http://rds.posccaesar.org/2008/02/OWL/ISO-15926-2_2003#ClassOfInanimatePhysicalObject>
2002.01.09
u82237
A respirator in which air or oxygen is fed to a face mask carried by the wearer via a demand valve.
RDS621044
BREATHING APPARATUS
BREATHING APPARATUS
Recorded
Chambers Science and Technology Dictionary