Building units and construction elements – Structure – Simulative
Patent
1977-10-27
1980-01-08
Word, A. Hugo
Building units and construction elements
Structure
Simulative
D2501
Patent
active
D02539128
REFERENCES:
patent: 2158929 (1939-05-01), Dunajeff
patent: 3197931 (1965-08-01), Seery
Sweet's Architectural Catalog File, 1976, Section 10.25/St., p. 4, (VH) Vertical-Horizontal Option.
Van Valkenburgh Horace B.
Word A. Hugo
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