000
00293nam a2200121Ia 4500
008
220201s1975 xx 000 0 eng d
082
_b
ISI
100
_a
ISI
245
0
_a
Specification for steel doors, windows & ventilators
260
_a
New Delhi
_b
ISI
_c
1975
300
_a
37
942
_2
ddc
999
_c
20232
_d
20232