000
00303nam a2200121Ia 4500
008
160710s1934 xx 000 0 und d
082
_a
621.37 KNO
100
_a
KNOWLTON,ARCHER E.
245
_a
ELECTRIC POWER METERING
260
_b
MCGRAW HILL BOOK COMPANY INC.
_c
1934
300
_a
340
942
_2
ddc
_c
B
999
_c
6506
_d
6506