Dirk van Manen

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7751 GM Dalen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of making socketed pipe-fittings of synthetic plastics mater...
- Patent number 4,428,899
- Issue date Jan 31, 1984
- Dirk van Manen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL