Wilheim Scheffels

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Puchheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sealing system for a movable vacuum chamber of a charged particle b...
- Patent number 4,358,657
- Issue date Nov 9, 1982
- Messer Griesheim GmbH
- Karl-Heinz Steigerwald
- H01 - BASIC ELECTRIC ELEMENTS