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AFNOR
NF T20-059
En Vigor
1982-03-01
Chemical products for industrial use. General method for determination
of traces of sulphur compounds, as sulphate, by reduction and titrimetry.
AFNOR
AFNOR
NF ISO 8548-1
En Vigor
1990-05-01
Prossthetics and orthotics. Limb deficiencies. Part 1 : method of
describing limb deficiencies present at birth.
AFNOR










