Plaster casing
United States Patent 1694673

Inventors:
Spies, Thomas Wingate
Publication Date:
12/11/1928
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Assignee:
KNAPP BROTHERS MFG COMPANY
Primary Class:
52/213
Other Classes:
52/573.100
International Classes:
E04F13/06; E06B1/60; E04F13/02; E06B1/56