Dirk Huthwelker

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Troisdorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Base material for the production of printed circuits and process fo...
- Patent number 4,360,560
- Issue date Nov 23, 1982
- Dynamit Nobel Aktiengesellschaft
- Siegfried Kopnick
- B32 - LAYERED PRODUCTS
Information Patent Grant
Insulating-material bodies having metal particles dispersed in the...
- Patent number 4,317,856
- Issue date Mar 2, 1982
- Dynamit Nobel AG
- Dirk Huthwelker
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...