Deutsch, Wolfram
Otto-Hausmann-Ring 101
42115 Wuppertal
(DE)
Patentwälte
Roche, von Westernhagen & Ehresmann
Mäuerchen 16
42103 Wuppertal
(DE)
Англ.Preparations in liquid, paste or powder form for testing material or work pieces.
Англ.Apparatus and instruments for non-destructive materials testing, in particular for measuring coating thickness, wall strength, field intensity and crack depth, and parts therefor.