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JPS6137700

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DESCRIPTION JPS6137700
[0001]
Brief description of the drawings
[0002]
1 to 3 show a first embodiment of a piezoelectric sounding apparatus according to the present
invention, wherein FIG. 1 is a partially cutaway perspective view, FIG. 2 is a longitudinal sectional
view thereof, and FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 4 to 6 show the
second embodiment, FIG. 4 is a partially cutaway perspective view, FIG. 5 is a longitudinal
sectional view thereof, and FIG. 6 is a BB sectional view in FIG. is there. FIGS. 7 and 8 are
longitudinal sectional views of the prior art. 1 ... piezoelectric element, 2 ... diaphragm, 3 ... case, 4
... rib, 5 ... sound outlet.
04-05-2019
1
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