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SU613119A1
Expired / Lapsed
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Anchor roof support with key made of setting material
Assignee: Донецкий Научно-Исследовательский Угольный Институт
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Filing: 1975-03-03
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Granted: 1978-06-30
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Expires: 1995-03-03
Abstract
No abstract record available.
Inventors
- 👤 Михаил Алексеевич Комиссаров
Bibliographic Details
Application Number
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Jurisdiction
SU
Data Source
google_patents
Last Synchronized
2026-10-23 21:47
CPC Classifications
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