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JPS58155197

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DESCRIPTION JPS58155197
[0001]
Brief description of the drawings
[0002]
1 and 2 are sectional views of a conventional speaker and an enlarged sectional view of a local
portion. FIGS. 3, 4 and 5 are partial enlarged cross-sectional views of the speaker according to
the present invention, wherein the drawing is adhered to the upper surface, the drawing adhered
to the lower surface, and the drawing adhered to both surfaces. FIG. 6 is a frequency
characteristic diagram. 1 is a diaphragm, 2 is a root portion, 3 is a flat portion, 4 is a synthetic
resin film.
11-05-2019
1
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