首页>
外国专利>
A New procedure for Making water repellent all sorts of vegetable Textile Fibres of animal origin, and their mixtures without the use of rubberIn order that the fabric does not lose its Porosity.
A New procedure for Making water repellent all sorts of vegetable Textile Fibres of animal origin, and their mixtures without the use of rubberIn order that the fabric does not lose its Porosity.
