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DE640193C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for reducing the nicotine content in tobacco smoke

Assignee: KARL KLEIN DR ING
•
Filing: 1933-03-24
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Granted: 1936-12-24
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Expires: 1953-03-24
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-29 20:55
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/24; A24B15/241; A24B15/243; A24B15/28; A24B15/287

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