000 00435nam a2200133 4500
999 _c178679
_d178679
027 _aIEC publication 268-12
_q1975
041 _aeng
942 _cSD
110 _aINTERNATIONAL ELECTROTECHNICAL COMMISSION
245 _aIEC publication 268-12 : sound system equipment : part 12 : circular connectors for broadcast and similar use
260 _aGeneva
_bINTERNATIONAL ELECTROTECHNICAL COMMISSION
300 _a7p.
500 _aSTD3195