Building units and construction elements – Structure – Simulative
Patent
1979-06-07
1981-07-07
Word, A. Hugo
Building units and construction elements
Structure
Simulative
D25 74, D2502
Patent
active
D02598124
REFERENCES:
patent: 853897 (1907-05-01), Porter
patent: 1721715 (1929-07-01), Schindler
patent: 1875640 (1932-09-01), Moore
patent: 3423889 (1969-01-01), Elconin
patent: 3521414 (1970-07-01), Malissa
Glaspec Corporation
Hobbs Marmaduke A.
Word A. Hugo
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