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2162362
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Patent Grant
2162362
References
Source
Patent Number
2,162,362
Date Filed
Not available
Date Issued
Tuesday, June 13, 1939
84 years ago
CPC
H01L21/161 - Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate, reduction treatment
US Classifications
428 - Stock material or miscellaneous articles
148 - Metal treatment
252 - Compositions
257 - Active solid-state devices
420 - Alloys or metallic compositions
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