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3924897
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Information
Patent Grant
3924897
References
Source
Patent Number
3,924,897
Date Filed
Not available
Date Issued
Tuesday, December 9, 1975
49 years ago
CPC
E02F3/8883 - Using the force of explosions
E02F5/323 - Percussion-type rippers
Y10S37/904 - Vibration means for excavating tool
US Classifications
299 - Mining or in situ disintegration of hard material
037 - Excavating
111 - Planting
431 - Combustion
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