2009GJB 2739A-2009 General requirement of quantity value traceability and transfer
1996GJB/J 2739-1996 General rules for drafting of hierarchy schemes of measuring instrument for national defence
GJB/J 2739-1996 General rules for drafting of hierarchy schemes of measuring instrument for national defence was changed to GJB 2739A-2009 General requirement of quantity value traceability and transfer.