Building units and construction elements – Prefabricated unit
Patent
1976-12-21
1978-09-19
Word, A. Hugo
Building units and construction elements
Prefabricated unit
D25 91, D2502
Patent
active
D02495597
REFERENCES:
patent: 1524146 (1925-01-01), Murray
patent: 3885296 (1975-05-01), Stout
patent: 4010581 (1977-03-01), Keturi et al.
patent: 4050205 (1977-09-01), Ligda
AB Lyckeaborgs Bruk
Thompson Irvin S.
Word A. Hugo
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