LEADER 00000nam 2200205 a 4500 001 0628425 003 UkHlHU 007 t 008 003004 2 1955 000 eng 040 UkHlHU 050 4 AZ8.7 D4 110 1 Great Britain.|bDepartment of Scientific and Industrial Research.|bChemical Research Laboratory. 245 00 Safety measures in chemical laboratories. 250 2nd edition. 260 H.M.S.O.,|c1955. 300 0000 p. 946 6XX absent
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