TY - BOOK ID - 136703709 TI - Respirator user warning: defective self-contained breathing apparatus air cylinders. PY - 1983 PB - Washington, D.C. : United States Nuclear Regulatory Commission, Office of Inspection and Enforcement, DB - UniCat KW - Breathing apparatus KW - Gas cylinders KW - Defects. UR - https://www.unicat.be/uniCat?func=search&query=sysid:136703709 AB - ER -