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Hans-Olof Sall
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Hedemora, SE
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Patent Grant
Counter rotating double disc chunker
Patent number
4,630,658
Issue date
Dec 23, 1986
The United States of America as represented by the Secretary of Agriculture
Rodger A. Arola
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...