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Key and supplementary comparisons

Calibration and Measurement Capabilities - CMCs

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Key and supplementary comparisons - Information

CCL-K4.a • Information • Pilot / Contact • Participants • Results • Print out Related links • KCDB Statistics • KCDB FAQs • CIPM MRA • JCRB • Find my NMI • Metrologia Contact us • BIPM.KCDB@bipm.org		CCL-K4.a Information Metrology area, branch   Length, Dimensional Metrology Description   Diameter standards Time of measurement   2000 - 2002 Status   Approved for equivalence, Results available Reference(s)   CCL-K4 Technical Protocol Measurand   Internal diameter: 5.17 mm to 100 mm Transfer device(s)   Four steel ring gauges Comparison type   Key comparison Consultative Committee  CCL (Consultative Committee for Length) Conducted by   CCL (Consultative Committee for Length)
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