NFA 51 409 : 1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SEMI-FINISHED COPPER AND COPPER ALLOY PRODUCTS - EXTRUDED LEADED BRASS CHANNELS OF SIMPLE CROSS-SECTION - TOLERANCES AND DIMENSIONS
31-12-2002
12-01-2013
1 GÉNÉRALITÉS
1.1 OBJET
1.2 DOMAINE D'APPLICATION
2 DÉSIGNATION
3 DIMENSIONS
3.1 U CARRÉS OU LARGES
3.2 U NORMAUX
3.3 LONGUEUR COURANTE
4 TOLERANCES
4.1 HAUTEUR, LARGEUR ET ÉPAISSEUR
4.2 LONGUEUR FIXE
4.3 RECTITUDE
4.4 ÉQUERRAGE
4.5 VRILLAGE
4.6 PLANÉITÉ DES AILES ET DE L'AME
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