74234472
Dec 27, 1991
Oct 10, 1995
membranes used for blood filtration, hemodialysis, hemofiltration, hemodialfiltration, oxygenation and fluid separation in the field of pharmaceuticals
Medical Apparatusmembranes used for food and beverage processing, water filtration, de-salination, liquid waste treatment and fluid separation in the fields of mining, smelting and metal processing
Rubber Goods