首页>
外国专利>
process for the deposition of asbestos diaphragms catodiche structures from aqueous suspensions of asbestos fibres, containing water-soluble polymers, and catodiche structures so obtained
process for the deposition of asbestos diaphragms catodiche structures from aqueous suspensions of asbestos fibres, containing water-soluble polymers, and catodiche structures so obtained