metrol. |
Pattern Approval Certificate of Measuring Instruments (MichaelBurov); Pattern Approval Certificate (A manufacturer has to supply instruments to a national laboratory which tests one of them and if it meets its claims issue a formal Pattern Approval certificate. wiki); Pattern Approval Certificate (term used only in the context of measuring instruments; A manufacturer has to supply instruments to a national laboratory which tests one of them and if it meets its claims issue a formal Pattern Approval certificate. wiki Alexander Demidov) |