Polynor Partners A/S

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Oslo, NO

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of products of light cellular plastic wi...
- Patent number 5,667,740
- Issue date Sep 16, 1997
- Polynor Partners A/S
- Steinar Spydevold
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL