000
00294nam a2200109Ia 4500
100
_a
Indian standard institute
942
_c
BK
245
_a
Requirements for general purpose cathode-vig oscilloscope
260
_a
Indian standard institute, New Delhi
_c
1973
082
_a
621.38 Ind
300
_a
9
999
_c
60050
_d
60050