000			00367 a2200121 4500
008			190227b xxu||||| |||| 00| 0 eng d
010			_a66023643
245			_aEngineers' relay handbook
260			_bHayden Book _c1966. _aNew York:
300			_aviii,300p. _bill.
650			_aElectric relays--Handbooks, manuals, etc.
942			_cR _hTK2861 .N26 1966
999			_c21555 _d21554