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BIPM key comparison database     
in support of the CIPM Mutual Recognition Arrangement (CIPM MRA)
bullet CIPM MRA signatories
bullet Key and supplementary comparisons
bullet Calibration and measurement capabilities (CMCs)
bullet List of key comparisons
Laboratory medicine and in vitro diagnostics     
Database of higher order reference materials and reference measurement procedures
General information
JCTLM database
Nomination of reference materials and reference measurement procedures (Cycle VI)
Nomination of reference measurement services (Cycle IV)
Member organizations
Working Group 1: Reference materials and procedures
Working Group 2: Reference measurement laboratories
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