JPS615094

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DESCRIPTION JPS615094
[0001]
Brief description of the drawings
[0002]
1 to 3 show an embodiment of a speaker diaphragm according to the present invention, FIG. 1 is
a side sectional view, FIG. 2 is a partially broken plan view, and FIG. 3 is another embodiment.
FIG. 4 is a side sectional view of a conventional example. 1 ··· Foam resin substrate, 2 · · ·
Reinforcing skin material, 4 · · · Degassing concave stock.
11-05-2019
1

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