FR1087946A
Expired / Lapsed
FR
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Semiconductor material production process
Assignee: AT&T Inc
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Filing: 1953-09-04
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Granted: 1955-03-01
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Expires: 1973-09-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 14:54
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/40; B; B01; B01J; B01J19/00; B01J19/08; C; C01; C01B; C01B33/00; C01B33/02; C01B35/00; C22; C22B; C22B9/00; C22B9/02; C30; C30B; C30B11/00; C30B11/04; C30B11/08; C30B11/10; C30B13/00; C30B13/16; C30B13/20; F; F27; F27B; F27B17/00; H05; H05B; H05B6/00; H05B6/02; H05B6/22; H05B6/30; H10P; H10P95/00; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y02P10/25
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