Building units and construction elements – Structure – Simulative
Patent
1978-11-09
1981-07-28
Word, A. Hugo
Building units and construction elements
Structure
Simulative
D2501
Patent
active
D02600390
REFERENCES:
patent: 2568469 (1951-09-01), Sunderhauf
patent: 3029914 (1962-04-01), Macomber
patent: 3545154 (1970-12-01), Bobzin et al.
Dahlstrom Metal Mouldings and Shapes Catalog No. 11, p. 102, Item 558.
Van Huffel Catalog L-56, published Jan. 1953, p. 33, Item 2050/.037.
Hunter Douglas N.V.
Word A. Hugo
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