82/637/EEC: Commission Decision of 7 September 1982 establishing that the 'Crystal Technology - Lithium Niobate, Optical Parametric Oscillator Crystal' may not be imported free of Common Customs Tariff duties
82/637/EEC:1982年9月7日委员会决定 规定“晶体技术-铌酸锂光学参量振荡器晶体”不得免关税进口