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3718367
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Information
Patent Grant
3718367
References
Source
Patent Number
3,718,367
Date Filed
Not available
Date Issued
Tuesday, February 27, 1973
51 years ago
CPC
E21C41/16 - Methods of underground mining Layouts therefor
B60L1/003 - to auxiliary motors
B60L11/02 - using engine-driven generators
E21C37/16 - by fire-setting or by similar methods based on a heat effect
E21C37/18 - by electricity
E21D9/1073 - applying thermal energy
H01J37/1471 - for centering, aligning or positioning of ray or beam
H01J37/301 - Arrangements enabling beams to pass between regions of different pressure
B60L2200/40 - Working vehicles
Y02T10/70 - Energy storage for electromobility
Y02T10/7077 - on board the vehicle
US Classifications
299 - Mining or in situ disintegration of hard material
037 - Excavating
175 - Boring or penetrating the earth
219 - Electric heating
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