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FR699059A Expired / Lapsed FR ⏱️ 0.0 years remaining

Tubes for the superheating of molten materials, liquids, vapors and gases

Assignee: Krupp Stahl AG
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Filing: 1930-07-17
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Granted: 1931-02-10
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Expires: 1950-07-17
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-25 16:44
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/04

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