译：GB/T 7343-1987 the frequency range of 10 kHz to 30 MHz Methods of measurement of the suppression characteristics of passive radio inerference filters and suppression components over

译：GB 7327-1987 Silicon carbide surge arresters for A.C.systems

译：GB/T 7356-1987 Preparation of diagrams for electrical system manuals

译：GB/T 7342-1987 IEC provisional reference coupler for the calibration of earphones used in audiometry

译：GB/T 7348-1987 The standard spectrum of whispered Chinese speech

译：GB/T 7340-1987 Fixed resistors for use in electronic equipment—Part 6:Blank detail specification—Fixed resistor networks with individually measurable resistors,of either different resistance values or different rated dissipations Assessment level E

译：GB/T 7325-1987 Petroleum products—Lubricating greases and oils—Determination of evaporation loss

译：GB/T 7339-1987 Fixed resistors for use in electronic equipment Part 6:Blank detail specification Fixed resistor networks with individually measurable resistors, all of equal value and equal dissipation Assessment level E

译：GB/T 7315.8-1987 Methods for chemical analysis of vanadium pentoxide—The atomic absorption spectrophotometric method for the determination of sodium oxide and potassium oxide contents

译：GB/T 7326-1987 Lubricating grease—Corrosiveness to copper—Copper strip test