Stephan Welp

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Bad Homburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the storing of drawing data by means of a cad film-card...
- Patent number 5,202,839
- Issue date Apr 13, 1993
- Microbox Dr. Welp KG
- Ulrich Welp
- G06 - COMPUTING CALCULATING COUNTING