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JPS5985000

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DESCRIPTION JPS5985000
[0001]
Brief description of the drawings
[0002]
1 to 3 are sectional views showing each side of a conventional piezoelectric buzzer, FIG. 4 is an
enlarged sectional view showing an embodiment of the piezoelectric buzzer according to the
present invention, and FIG. 5 is an exploded perspective view of the same. 6 is a j graph showing
changes in pressure and frequency applied to the sound generator. 21 иии Case и 23.35 и и и и и и и и и и
и и и и и и и и и и и и и и и и и и и и и и и и и sounding body, 28 и и и и и metal plate, 29 и и и и и Piezoelectric element,
30.31 и и и и и и и и и metal ring, 32 ░ 33 и и и и и и и и и и.
12-05-2019
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