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with screen tine chains
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Industry
CPC
A01D19/18
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Parent Industries
A
HUMAN NECESSITIES
A01
Agriculture
A01D
HARVESTING MOWING
A01D19/00
Digging machines with centrifugal wheels, drums or spinners
Current Industry
A01D19/18
with screen tine chains
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last 30 patents
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Patent Grant
3834138
Patent number
3,834,138
Issue date
Sep 10, 1974
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING