معنى الألف من حيث التريب في القاموس

Of poly(vinyl butyral)

Poly(vinyl alcohol), whether or not containing unhydrolysed acetate groups

HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES OF PHENOLS OR PHENOL-ALCOHOLS

BARS AND RODS, HOT-ROLLED, IN IRREGULARLY WOUND COILS, OF OTHER ALLOY STEEL

BARS AND RODS, HOT-ROLLED, IN IRREGULARLY WOUND COILS, OF STAINLESS STEEL