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3876013
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Information
Patent Grant
3876013
References
Source
Patent Number
3,876,013
Date Filed
Not available
Date Issued
Tuesday, April 8, 1975
49 years ago
CPC
E02F3/783 - having a horizontal axis of rotation
A01B31/00 - Drags graders for field cultivators
A01B33/022 - with helicoidal tools
US Classifications
172 - Earth working
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