000
00308nam a2200121Ia 4500
008
220201s1975 xx 000 0 eng d
100
_a
I S 7663 1975
245
0
_a
IS : SPECIFICATION FOR BOX SPANNERS FOR RAIL SCREWS
250
_a
1
260
_a
DELHI
_b
ISI MANAK BHAWAN
_c
1975
300
_a
2
942
_2
ddc
999
_c
89882
_d
89882