00407nam a2200145Ia 450000500170000008000190001724500430003626000270007930000100010652000810011658300200019765000140021794200130023199900170024420260716044129.0  a18.06.01 B9521  aFuture revision of the SI : brand book  bBIPMaSèrvesFRc2017  a16 p.  aPresents data on the redefinition of the International System of Units (S)).  c9/8/17kSANDRAW  aMETROLOGY  cMmB9521  c61082d61082