000
00289 a2200121 4500
082
_a
542
_b
T22s3
245
1
_a
SAFETY MEASURES IN CHEMICAL LABORATORIES
250
_a
3rd
260
_a
London
_b
Her Majesty'S Stationery Office
_c
1964
300
_a
35
964
_g
CIRC
997
_a
37921 C
999
_c
453434
_d
453434