Building units and construction elements – Structure – Simulative
Patent
1983-11-30
1986-10-14
Word, A. Hugo
Building units and construction elements
Structure
Simulative
Patent
active
D02861844
REFERENCES:
patent: D251447 (1979-03-01), Bancroft et al.
patent: D251448 (1979-03-01), Bancroft et al.
patent: D251450 (1979-03-01), Bancroft et al.
patent: D251504 (1979-04-01), Bancroft et al.
patent: 4048774 (1977-09-01), Yamamoto
Wiggins Macdonald J.
Word A. Hugo
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