Saamileyda iyo alaab-qeybiyaha Tuubada ASTM A249

ASTM A249 / A249M – 16a

Lambarka calaamadaynta ASTM wuxuu aqoonsanayaa nooc gaar ah oo ka mid ah heerka ASTM.

A249 / A249M – 16a

A = biraha birta ah;

249 = lambar taxane ah oo loo qoondeeyay

M = cutubyada SI

16 = sannadkii la qaatay asalka (ama, haddii dib loo eegay, sannadkii dib loo eegay)

a = waxay muujinaysaa dib-u-eegis ku xiga isla sanadkaas