Manufacture of felted material
United States Patent 2508968
Inventors:
Muschamp, Porritt Cyril Philip
Publication Date:
05/23/1950
Assignee:
R R WHITEHEAD & BROTHERS LTD
International Classes:
D04H17/00
Foreign References:
| DE58794C | | | | |
| GB268847A | | | | |
| DE419230C | | | | |