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AFNOR
AFNOR
NF EN IEC 60773
En Vigor
2021-05-21
Rotating electrical machines - Test methods and apparatus for the
measurement of the operational characteristics of brushes
AFNOR
AFNOR
NF EN ISO 17947
En Vigor
2023-03-29
Fine ceramics (advanced ceramics, advanced technical ceramics) - Methods
for chemical analysis of fine silicon nitride powders










