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Write protect switch device
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Patent number 4,760,473
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Issue date Jul 26, 1988
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Alps Electric Co., Ltd.
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Makito Takikawa
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G11 - INFORMATION STORAGE
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Disk clamping mechanism
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Patent number 4,747,002
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Issue date May 24, 1988
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Alps Electric Co., Ltd.
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Makito Takikawa
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G11 - INFORMATION STORAGE
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Carriage drive unit
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Patent number 4,577,521
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Issue date Mar 25, 1986
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Alps Electric Co., Ltd.
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Makito Takikawa
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G11 - INFORMATION STORAGE