Title:
Preserving against decay particles of materials suspended in lower atmosphere
United States Patent 3052052

Inventors:
Marmo, Frederick F.
Publication Date:
09/04/1962
View Patent Images:
Assignee:
Marmo, Frederick F.
Primary Class:
Other Classes:
516/2
International Classes:
C06D3/00; G09F21/16; G09F21/00