Building units and construction elements – Structure – Simulative
Patent
1998-01-20
2000-01-25
Clark, Doris
Building units and construction elements
Structure
Simulative
2503
Patent
active
D04196864
REFERENCES:
patent: D97349 (1935-10-01), Hampton
patent: 3425693 (1969-02-01), Murray
patent: 4805356 (1989-02-01), Feisst
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