Mauricio Antonio Hidalgo Salgado

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Santiago, CL

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Patents Applicationslast 30 patents

Information Patent Application
SELF-DRILLING FRICTION BOLT
- Publication number 20140154017
- Publication date Jun 5, 2014
- FCI HOLDINGS DELAWARE, INC.
- Mauricio Antonio Hidalgo Salgado
- E21 - EARTH DRILLING MINING
Information Patent Application
Fully Grouted Mine Roof Bolt With Expansion Anchor
- Publication number 20120251262
- Publication date Oct 4, 2012
- FCI HOLDINGS DELAWARE, INC.
- Mauricio Antonio Hidalgo Salgado
- E21 - EARTH DRILLING MINING