000
00306nam a2200121Ia 4500
008
160710s1940 xx 000 0 und d
082
_a
621.37 CAN
100
_a
CANFIELD DONALD T.
245
_a
THE MEASUREMENRT OF ALTERNTING CURRENT
260
_b
MCGRREW HILL BOOK
_c
1940
300
_a
210
942
_2
ddc
_c
B
999
_c
6781
_d
6781