000 00251cam a22000977a 4500
008 180718b1948 xxu||||| |||| 00| 0 eng d
082 _aV603x42 Un3
245 _aGas act, 1948
260 _aLondon
_bHer Majesty's Stationery office
_c1948
300 _a111p.
999 _c424862
_d424862