000
00310nam a2200121Ia 4500
008
220201s1971 xx 000 0 eng d
082
_b
ISI
100
_a
ISI
245
0
_a
Safety code for construction involving use of bot bituminous materials
260
_a
New Delhi
_b
ISI
_c
1971
300
_a
9
942
_2
ddc
999
_c
20076
_d
20076