000 00250pam a2200109a 44500
082 _aTR
_bIC-9233
100 _aJ. E. Chilton
245 1 _aPersonal miner's carbon monoxide alarm
260 _a
_b
_c
700 _aC. R. Carpenter
997 _aTR6444 C
999 _c405681
_d405681