Plough
United States Patent 2426548
US Patent References:
/1578084.html
- - 1578084


Inventors:
Edward, Capon Leslie John
John, Carne
Publication Date:
08/26/1947
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Assignee:
Capon
Primary Class:
172/226
Other Classes:
172/739, 172/742, 172/324, 172/427
International Classes:
A01B3/18; A01B3/00
Foreign References:
GB455658A
GB456670A
FR614838A
FR683295A
FR32391A