PTR Praezisionstechnik GmbH

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Maintal/Doernigheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cathode holder for an electron beam generator
- Patent number 5,117,085
- Issue date May 26, 1992
- PTR Praezisionstechnik GmbH
- Dieter Fritz
- H01 - BASIC ELECTRIC ELEMENTS