Building units and construction elements – Prefabricated unit – Closure
Patent
1984-04-23
1986-07-01
Word, A. Hugo
Building units and construction elements
Prefabricated unit
Closure
Patent
active
D02845113
REFERENCES:
patent: D234431 (1975-03-01), McGehee et al.
patent: D275797 (1984-10-01), Nishida
patent: 3445962 (1969-05-01), Byland et al.
patent: 3998008 (1976-12-01), Collins
Cubic Western Data
Word A. Hugo
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