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ASA S1.22   2021  تاریخچه   Scales and Sizes for Frequency Characteristics and Polar Diagrams in Acoustics 2500000 ریال
ASA S1.15 PART 1   2021  تاریخچه   Electroacoustics - Measurement microphones - Part 1: Specifications for laboratory standard microphones 2500000 ریال
ASA S1.15 PART 2   2021  تاریخچه   Electroacoustics û Measurement microphones û Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique 2500000 ریال
ASA S1.15 PART 3   2021  تاریخچه   Electroacoustics û Measurement microphones û Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique 2500000 ریال
ASA S1.15 PART 4   2021  تاریخچه   Electroacoustics û Measurement microphones û Part 4: Specifications for working standard microphones 2500000 ریال
ASA S1.15 PART 5   2021  تاریخچه   Electroacoustics û Measurement microphones û Part 5: Methods for pressure calibration of working standard microphones by comparison 2500000 ریال
ASA S1.15 PART 6   2021  تاریخچه   Electroacoustics û Measurement microphones û Part 6: Electrostatic actuators for determination of frequency response 2500000 ریال
ASA S1.15 PART 7   2021  تاریخچه   Electroacoustics û Measurement microphones - Part 7: Values for the difference between free field and pressure sensitivity levels of laboratory standard microphones 2500000 ریال
ASA S1.15 PART 8   2021  تاریخچه   Electroacoustics û Measurement microphones û Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison 2500000 ریال
ASA S1.13   2020  تاریخچه   Measurement of Sound Pressure Levels in Air 2500000 ریال

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