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3808714
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Information
Patent Grant
3808714
References
Source
Patent Number
3,808,714
Date Filed
Not available
Date Issued
Tuesday, May 7, 1974
50 years ago
CPC
E02F3/815 - Blades Levelling or scarifying tools
E01H1/105 - Raking, scraping or other mechanical loosening devices
E01H5/062 - by scraper blades displaceable for shock-absorbing purposes
US Classifications
037 - Excavating
172 - Earth working
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