000
00281nam a2200109Ia 4500
008
220201s1962 xx 000 0 eng d
100
_a
Indian Standard Institute
245
0
_a
IS:722 pi specification for ac electricity motors
260
_b
ISI
_c
1962
300
_a
17
942
_2
ddc
999
_c
74622
_d
74622