United States Patent 2600678
Inventors:
O'neill Jr., John J.
Publication Date:
06/17/1952
Other Classes:
149/15, 149/98, 149/108.400, 149/99, 149/37, 149/108.800, 149/108.200
International Classes:
C06B45/12; F02K9/12; C06B45/00; F02K9/00
Foreign References:
| GB189627197A | | | | |
| GB190726430A | | | | |
| GB566063A | | | | |