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JPS593688

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DESCRIPTION JPS593688
[0001]
Brief description of the drawings
[0002]
FIG. 1 shows an embodiment of a speaker diaphragm according to the present invention, FIG. 1 is
a side view, FIG. 2 is an enlarged sectional view, and FIG. 3 is a frequency characteristic
comparison diagram. A: cone-shaped diaphragm, 1: diaphragm body, 2: coating layer.
11-05-2019
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