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Pierre J. Leyrat
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Trilport, FR
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last 30 patents
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Patent Grant
Excavator bucket and ripper tooth assembly
Patent number
4,077,529
Issue date
Mar 7, 1978
Societe Anonyme: Poclain
Pierre Jean Leyrat
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Excavator
Patent number
3,953,931
Issue date
May 4, 1976
Societe Anonyme: Poclain
Pierre J. Leyrat
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING