74162020
Apr 29, 1991
Jul 7, 1992
chemicals, namely, dextrose-based substances, preparations and materials for prolonging the life of cut flowers for domestic and industrial use; citric acid-based chemical composition used to precondition cut flowers prior to additional treatment [ with a cut flower preservative ] for industrial use; and [ silver thiosulfate-based ] preparation for use in flower hydration pretreatment for industrial use
Chemicals