Building units and construction elements – Structure – Simulative
Patent
1996-07-02
1998-02-24
Clark, Doris
Building units and construction elements
Structure
Simulative
2503
Patent
active
D03913740
REFERENCES:
patent: D246469 (1977-11-01), Morton et al.
patent: D363993 (1995-11-01), Johnson et al.
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