Hans Boer

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Hardenberg, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process of making a socket on a pipe of thermoplastic material
- Patent number 6,540,955
- Issue date Apr 1, 2003
- Wavin B.V.
- William George Hutchinson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL