Industrievertretungen Wolfgang Bieber GmbH Ostergasse 4
86577 SielenbachTel: 08258-997388-0 Fax: 08258-997388-9
e-Mail: snipped-for-privacy@ferrite.de web:
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They are obviously strictly ferrites, but they might know who their equivalent is for metal powder cores. It's six years since I did any business with them, but good specialists tend to last.