Production of non-woven fiber webs stable to water
United States Patent 3288631
Inventors:
Helmut, Jorder
Publication Date:
11/29/1966
Other Classes:
427/339, 8/DIG.010, 442/83, 8/127.600, 8/DIG.009, 427/338
International Classes:
D04H1/64; D21H17/50; D21H17/00