Building units and construction elements – Structure – Grain storage
Patent
1995-11-20
1997-02-18
Zarfas, Louis S.
Building units and construction elements
Structure
Grain storage
D25 1, D25 31, D25 33
Patent
active
D03781364
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Butler Grain Bins "Armco-Ignot Long Life Line".
Andoll Gregory
Butler Manufacturing Company
Zarfas Louis S,.
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