000			00305nam a2200121Ia 4500
005			20251007104214.0
008			251006s9999 xx 000 0 und d
100			_apatchctt,g.n.
245		0	_a.electronic power supplies. patchett,g.n.
260			_a1st.ed | .London Pitman
260			_c1970
942			_cBOK
999			_c2316 _d2316