Edwin A. W. Dunkey

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Dronfield Woodhouse, GB

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Patents Grantslast 30 patents

Information Patent Grant
Butt-welding of pipes
- Patent number 4,957,570
- Issue date Sep 18, 1990
- Fusion Group PLC
- Patrick W. Jenkins
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL