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3725633
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Information
Patent Grant
3725633
References
Source
Patent Number
3,725,633
Date Filed
Not available
Date Issued
Tuesday, April 3, 1973
51 years ago
CPC
E21C37/16 - by fire-setting or by similar methods based on a heat effect
B23K15/10 - Non-vacuum electron beam-welding or cutting
H01J37/301 - Arrangements enabling beams to pass between regions of different pressure
US Classifications
219 - Electric heating
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