Federal supply schedule FSC group. [Processed.]. 68. Chemicals and chemical products, pt. 1, sec. A (formerly class 51, pt. 1. sec. A), FSC class 6810, Chemicals (includes acetone, aluminum sulfate. hydrochloric acid, ammonium hydroxide, calcium chloride dihydrate), FSC class 6850, Cleaning compound (plate cleaning fluid), Nov. 15, 1959-Nov. 14, 1960; prepared by National Buying Division.

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