000
00251nam a2200109Ia 4500
008
160710s1954 xx 000 0 und d
082
_a
GEC
245
_a
GEC JOURNAL
260
_b
THE GENERAL ELECTRIC CO. LTD.
_c
1954
300
_a
247
942
_2
ddc
_c
B
999
_c
18819
_d
18819