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JP2014227813A
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Replacement method of common drain pipe
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JPH10292581A
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Piping sleeve for rooftop slab and method of construction work for sleeve
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JPH07253235A
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Method and apparatus for ventilating
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JPH0527002A
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Tracking mechanism used in optical communication
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JPH05313212A
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Optical deflector and optical exchanger
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JPH06324275A
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Beam scanner
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JPH04149521A
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Lens made of material with electrooptic effect
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JPH0424613A
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Two-layer type liquid crystal display device
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JPH047521A
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Oblique/vertical orienting method for liquid crystal molecule
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JPH03269516A
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Electro-optical lens
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JPH02266061A
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Indoor piping material and connection part therebetween
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JPH02164979A
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House reforming cold hot water supply pipe and piping construction method
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JPS63301309A
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Automatic centralized control system for cart on golf course
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JPS63313831A
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Automatic ally measuring device for photocapacitance
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JPS63135916A
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Spectacles for far and near
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JPS6375733A
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Liquid srystal lens
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JPS6329725A
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Dimming filter
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JPS62132151A
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Measurement for deep level in semiconductor
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JPS62237662A
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Battery for glasses
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JPS62209412A
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Variable focal length liquid crystal lens for correcting astigmatism
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