000 00284pam a2200109a 44500
082 _a622.41
_bC838L
100 _aCoward, H. F.
245 1 _aLIMITS OF INFLAMMABILITY OF GASES AND VAPORS
260 _aWashington
_bU. S. Govt Printing Off.
_c1931
964 _gCIRC
997 _a33107 C
999 _c417302
_d417302