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TUNING FORK PIEZOOELECTRIC VIBRATOR

申请公布号:JPS544588(A)

申请号:JP19770069594

申请日期:1977.06.13

申请公布日期:1979.01.13

申请人:
MATSUSHIMA KOGYO KK

发明人:NEGITA MUTSUMI

分类号:H03H9/21;H03H3/02

主分类号:H03H9/21

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