United States Patent 2245651
Inventors:
Craig, James R.
Swartout, Charles W.
Publication Date:
06/17/1941
Assignee:
LINDE AIR PROD CO
Other Classes:
106/38.22, 106/38.24, 106/38.25, 164/14, 164/72, 427/133, 427/224, 428/457, 428/497
International Classes:
B22C3/00; B22C3/00