AT111083B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Process for the production of highly refractory magnesite masses.
Assignee: Dynamidon Werk Engelhorn & Co
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Filing: 1924-02-13
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Granted: 1928-10-25
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Expires: 1944-02-13
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Bibliographic Details
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AT
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google_patents
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2026-10-29 13:54
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