000 00305nam a2200133Ia 4500
008 160710s1961 xx 000 0 und d
082 _a621.300 GIB
100 _aGIBBINS E, H, H
245 _aELECRONICS DRAWING
250 _a1ST
260 _bBLACKIE & SON LTD
_c1961
300 _a63
942 _2ddc
_cB
999 _c25427
_d25427