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Dilutable, aqueous solution of a thermosetting phenol - the form of aldehyde resin, which is free of salt and strokes is the same time a very low content of free, not - reacted phenol and method for the manufacture of such a resin
Dilutable, aqueous solution of a thermosetting phenol - the form of aldehyde resin, which is free of salt and strokes is the same time a very low content of free, not - reacted phenol and method for the manufacture of such a resin