000
00274nam a2200121Ia 4500
008
220201s1964 xx 000 0 eng d
082
_a
621.3022
_b
UPP
100
_a
Uppal, SL
245
2
_a
A text book of electrical drawing
260
_c
1964
300
_a
82
942
_2
ddc
999
_c
73000
_d
73000