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Calibration and characterization certificates: Germany
 
Traceability to the SI through the BIPM
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For other services offered by the BIPM, please refer to the summary charts for electricity, ionizing radiation, mass and time, frequency and gravimetry.

2010
No. 21 1 kg mass prototype, No. 52 Germany

 2009
No. 91 10 pF capacitance standard, model AH11A, No. 01258 PTB, Germany
No. 90 10 pF capacitance standard, model AH11A, No. 01257 PTB, Germany
No. 89 100 pF capacitance standard, No. 01256 PTB, Germany
No. 31 1 kg mass prototype, No. 55 Germany

 2008
No. 56 Prototype de masse, n° 55 Germany

 2003
No. 33 Prototype de masse, no 55 Germany

 2002
No. 43 Prototype de masse, no 70 Germany

 2001
No. 74 Helium-neon laser at 633 nm, No. 129 BKG, Germany
No. 73 Helium-neon laser at 633 nm, No. 113 BKG, Germany
No. 53 Helium-neon laser at 633 nm, No. 158 IAG, Germany
No. 52 Helium-neon laser at 633 nm, No. 164 IAG, Germany
No. 1 Prototype de masse, no 55 Germany

Study Notes
2009
No. 8 10 pF capacitance standard, model AH11A, No. 01176 PTB, Germany

 2007
No. 1 10 pF capacitance standard, No. 304 PTB, Germany

 2005
No. 7 Helium-neon laser at 633 nm BKG, Germany
No. 5 10 pF capacitance standard, No. 01176 PTB, Germany

 2001
No. 6 Laser à hélium-néon de longueur d'onde 633 nm, A10 BKG, Germany
 
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