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JPS6066196

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DESCRIPTION JPS6066196
[0001]
Brief description of the drawings
[0002]
FIG. 1 shows an embodiment of a speaker diaphragm according to the present invention, FIG. 1 is
an enlarged sectional view, and FIG. 2 is a frequency characteristic comparison diagram. -1:
whole diaphragm 2: 2: titanium diaphragm base 3: 3: surface hardened layer. − (A) 1 → → H
710 0020 0050 ω 1 (8) B う ン 1000 9 ω 5000
11-05-2019
1
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