000 00363pam a2200133a 44500
008 140414b1973 xxu||||| |||| 00| 0 eng d
082 _aD65,4:4
_bOLI L1
100 _aOLIVER, FRANK J
245 _aPractical Relay Circuits
_c
260 _aGREAT BRITAIN
_bPITMAN PUBLISHING
_c1973
650 _aELECTRIC RELAYS
690 _aELECTRICAL ENGINEERING
906 _a55459
999 _c50615
_d50615