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Zoom lens
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Patent number 4,874,231
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Issue date Oct 17, 1989
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Nikon Corporation
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Yasuhiro Aono
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G02 - OPTICS
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Zoom lens
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Patent number 4,765,722
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Issue date Aug 23, 1988
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Nippon Kogaku K.K.
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Yasuhiro Aono
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G02 - OPTICS
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-
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Zoom lens
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Patent number 4,634,237
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Issue date Jan 6, 1987
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Nippon Kogaku K.K.
-
Yasuhiro Aono
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G02 - OPTICS
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Zoom lens
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Patent number 4,591,244
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Issue date May 27, 1986
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Nippon Kogaku K.K.
-
Yasuhiro Aono
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G02 - OPTICS