000 00267nam a2200097Ia 4500
008 160710s1956 xx 000 0 und d
100 _aINDIAN STANDARD INST.
245 _aINDIAN STANDARD SPECIFICATION FOR BLOWN TYPE LITUMEN IS: 775
260 _c1956
942 _2ddc
_cB
999 _c20107
_d20107