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JP2018136290A
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Substance made of natural stone having radioactivity, covered surface with metal coating for photoelectric effect for generating free radicals
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JPH10238234A
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Spacer for plural layer glass
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JPH10127742A
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Method and apparatus for purifying gas
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JPH0975926A
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Purifying device for lake water and the like
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JPH0960959A
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Air discharge duct of clean room
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JPH07284764A
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Method and apparatus for treating waste water containing bacteria
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JPH07284523A
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Air conditioner
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JPH07284522A
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Accessory equipment for clean room provided with sterilization mechanism
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JPH07275853A
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Water purification tank
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JPH07275338A
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Treatment method and equipment for filth containing bacteria
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JPH07269078A
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Structure under floor
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JPH07241216A
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Furnishings with dust accumulation preventing function and dust accumulation preventing method
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JPH07157244A
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Ventilating device for elevator
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JPH07124079A
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Vacuum cleaner
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JPH07101237A
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Automobile having device to make exhaust gas harmless
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JPH0798136A
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Clean room
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JPH0755176A
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Antibacterial air conditioner and air conditioning system
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JPH06249480A
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Indoor local ventilating device
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US4854224A
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Air cleaning apparatus and construction of clean room with the same
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CA1295483C
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Clean room system and unit for the same clean room system
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