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method for preparation of a coating of glasweefsels or glasgarens suitable dispersion of polytetrafluoretheen in water and method for coating glasweefsels or glasgarensthus prepared with a dispersion.
method for preparation of a coating of glasweefsels or glasgarens suitable dispersion of polytetrafluoretheen in water and method for coating glasweefsels or glasgarensthus prepared with a dispersion.