John G. Misselbrook

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Hawridge Common, Nr.Chesham, GB

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Patents Grantslast 30 patents

Information Patent Grant
Piping leakage detection method and apparatus
- Patent number 4,429,566
- Issue date Feb 7, 1984
- Boc-Nowsco Limited
- Richard A. Armell
- E21 - EARTH DRILLING MINING