Building units and construction elements – Structure – Simulative
Patent
1976-07-30
1977-10-11
Word, A. Hugo
Building units and construction elements
Structure
Simulative
D2501
Patent
active
D02460564
REFERENCES:
patent: D229209 (1973-11-01), Tabone
patent: 2235356 (1941-03-01), Byers
patent: 2725958 (1955-12-01), Porter et al.
patent: 2888779 (1959-06-01), Hustetter
patent: 3945747 (1976-03-01), Cruz
Ahlquist Claes
Thim Stig
A-Betong AB
Sughrue Richard C.
Word A. Hugo
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