000
00257nam a2200109Ia 4500
008
220201s1975 xx 000 0 eng d
100
_a
IS 3043 1966
245
0
_a
CODE OF PRACTICE FOR EARTHING
260
_a
DELHI
_b
I S I
_c
1975
300
_a
80
942
_2
ddc
999
_c
89516
_d
89516