… 1. Chemical product consisting of sodium polynaphthalene sulphonate (79 to 89 %) containing water, methanal and sodium sulphonate as a result of the manufacturing process. …
… of a length exceeding 36 cm, whether or not lined with aluminium foil (i.e., on the face which will form the inside … with sorbitol, with an appreciably narrower strip of aluminium foil fixed lengthwise to the centre of one side, …
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