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008 200906s9999 xx 000 0 und d
082 _a621.3173 M8884
100 _aMORTLOCK,J.R
245 0 _aALTERNATING-CURRENT SWITCH GEAR
250 _a1
260 _bCHAPMAN, LONDON
_c1956
300 _a22X14
942 _cBK
999 _c60808
_d60808