Joaquim Antonio Soares de Sousa

Follow

Person

Brackendowns, ZA

People

Patents Grantslast 30 patents

Information Patent Grant
Mining machine with driven disc cutters
- Patent number 8,727,450
- Issue date May 20, 2014
- Joy MM Delaware, Inc.
- Alex Freire de Andrade
- E21 - EARTH DRILLING MINING