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JPS62299826A
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Optical device for camera
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JPS62277508A
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Three-dimensional measuring instrument
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JPS61288303A
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Light emitter
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JPS61154355A
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Semiconductor element body
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JPS61153691A
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Semiconductor display
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JPS6020104A
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Optical path difference forming method and optical path difference forming body
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JPS59188612A
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Condensing device of feeble light
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JPS58171027A
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Beam diameter converter
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JPS58112686A
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Multiplexing and demultiplexing method for beam
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JPS5880614A
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Pin hole forming method and its device
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JPS5831301A
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Polygon mirror
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JPS57190903A
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Electromagnetic wave transmitter
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JPS57135305A
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Length measuring method and its device
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