John Francis Steeple Heffernan

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Essex, GB

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Patents Applicationslast 30 patents

Information Patent Application
APPARATUS FOR REPAIRING AND UPGRADING PIPES
- Publication number 20120118404
- Publication date May 17, 2012
- NLB ENGINEERING LIMITED
- John Francis Steeple Heffernan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...