Francisco Jose CHACIN

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Sewickley, PA, US

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Patents Applicationslast 30 patents

Information Patent Application
MECHANIZED SLOT DRILLING
- Publication number 20160230523
- Publication date Aug 11, 2016
- Shell Oil Company
- Ernesto Rafael FONSECA OCAMPOS
- E21 - EARTH DRILLING MINING
Information Patent Application
MECHANIZED SLOT DRILLING
- Publication number 20150096806
- Publication date Apr 9, 2015
- Shell Oil Company
- Ernesto Rafael FONSECA OCAMPOS
- E21 - EARTH DRILLING MINING