000 00279nam a2200109Ia 4500
008 160710s1947 xx 000 0 und d
100 _aINTERNATIONAL TELEPHONE
245 _aREFERENCE DATA RADIO ENGINEERS
260 _bINTERNATIONAL TEL.
_c1947
300 _a322
942 _2ddc
_cB
999 _c37944
_d37944