TREA

Hans Eschler

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  • Berlin, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic wave filter
    • Patent number 4,325,037
    • Issue date Apr 13, 1982
    • Siemens Aktiengesellschaft
    • Wolf E. Bulst
    • H03 - BASIC ELECTRONIC CIRCUITRY