000 00261nam a2200109Ia 4500
008 231212s1970 xx 000 0 und d
041 _aeng
082 _a621.38804
100 _aKireyev M.
245 _aSwitchgear Installation
260 _aMascow
_bMir Pub
_c1970
999 _c958513
_d958513