Title:
Plaster ground
United States Patent 2854843

Inventors:
Lamb, Herbert H.
Publication Date:
10/07/1958
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Assignee:
Lamb, Herbert H.
Primary Class:
Other Classes:
52/348, 52/371, 52/217, 52/127.300, 33/194, 52/213
International Classes:
E04F21/04; E04F21/02
Foreign References:
GB550078A