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DE42C
Expired / Lapsed
DE
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Process for cleaning graphite
Assignee: Gebr Bessel Zu Dresden
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Filing: 1877-07-01
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Granted: —
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Expires: 1897-07-01
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
DE
Data Source
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Last Synchronized
2026-11-02 10:43
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