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Measuring Instrumentsfor γ-Ray Exposure
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JJG 2044-1989 γ-ray exposure meter calibration system JJG2044-1989 standard download decompression password: www.bzxz.net This cal
2024-08-16 category：National Metrology Standard (JJ)+ View
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Measuring Instrumentsfor Exposure of 60～250kVX-Ray (Radiotherapy Level)
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JJG 2043-1989 60～250kVX-ray (therapeutic level) exposure measurement instrument verification system JJG2043-1989 standard download
2024-08-16 category：National Metrology Standard (JJ)+ View
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Liquid Scintillation Measuring Instruments for Radioactivity Measurment
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JJG 2042-1989 Liquid scintillation radioactive activity measuring instrument calibration system JJG2042-1989 standard download dec
2024-08-16 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Multi-Rate Alternating -Current Watthour Meters
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JJG 691-1990 Verification Procedure for Time-sharing (Multi-rate) Electric Energy Meters JJG691-1990 Standard download decompressi
2024-08-16 category：National Metrology Standard (JJ)+ View
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High Insulation Resistance Meter
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JJG 690-1990 Verification Procedure for High Insulation Resistance Measuring Instruments (Meterometers) JJG690-1990 Standard Downl
2024-08-16 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Surface Platinum Resistance Thermometer
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JJG 684-1990 Surface platinum thermal resistor verification procedures JJG684-1990 Standard download decompression password: www.b
2024-08-16 category：National Metrology Standard (JJ)+ View
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Measuring Apparatus for Dust Contentin Stack
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JJG 680-1990 Smoke Tester Verification Procedure JJG680-1990 Standard Download Decompression Password: www.bzxz.net
2024-08-16 category：National Metrology Standard (JJ)+ View
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Verification Regulation of The Bomb Calorimeler
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JJG 672-2001 Oxygen Bomb Calorimeter Verification Procedure JJG672-2001 Standard download decompression password: www.bzxz.net Thi
2024-08-16 category：National Metrology Standard (JJ)+ View
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