ES76338A1 - Procedimiento para la obtención de negativas de originales que no permitan una transparencia como patrones de copia para la fotolitografía.
- Google Patents
Procedimiento para la obtención de negativas de originales que no permitan una transparencia como patrones de copia para la fotolitografía.
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F Ullmann GmbH
Original Assignee
F Ullmann GmbH
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Filing date
Publication date
Application filed by F Ullmann GmbHfiledCriticalF Ullmann GmbH
Priority to ES76338ApriorityCriticalpatent/ES76338A1/es
Publication of ES76338A1publicationCriticalpatent/ES76338A1/es
ES76338A1920-11-231920-11-23Procedimiento para la obtención de negativas de originales que no permitan una transparencia como patrones de copia para la fotolitografía.
ExpiredES76338A1
(es)