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  • CPC
  • H03H9/14529
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Patents Grantslast 30 patents

  • Information Patent Grant

    Surface acoustic wave filter

    • Patent number 6,476,691
    • Issue date Nov 5, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Shigeru Tsuzuki
    • H03 - BASIC ELECTRONIC CIRCUITRY