000 00308nam a2200133Ia 4500
001 198
008 220811s1954 ###||||g |||| ||spa d
082 _a678
_bW57
100 _aWhitby, G. S.
_991502
245 0 _aSynthetic Rubber
264 _c1954
942 _cBK
_2ddc
035 _a678 -W57-Synthetic Rubber-
999 _c71314
_d71314