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JPH10314729A
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Treatment process for organic matter in liquid
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JPH10249335A
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Automatically cleaning mechanism for light transmitting tube of open-type photoirradiation device
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JPH10249334A
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Automatically cleaning mechanism for light transmitting tube of photoirradiation device
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JPH09299938A
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Ultraviolet irradiator provided with scraper ring on light transmitting tube
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JPH1031098A
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Ultraviolet irradiation device and ultraviolet lamp allowing easy maintenance
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JPH10151448A
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Maintenance method for irradiation lamp of irradiation apparatus
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JPH10113565A
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Sterilization mechanism for ion exchanger
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JPH1091092A
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Lighting checking instrument of illuminating device in use of led bulb
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JPH1085735A
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Immersion-type light emitting device with shielding panel cover
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JPH1057954A
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Uv irradiation quantity measuring instrument for uv irradiation device
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JPH09276858A
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Ultraviolet toc decomposing apparatus
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JPH09276859A
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Ultraviolet irradiation treatment apparatus fitted with stream-straightening mechanism
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JPH09271767A
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U.v. ray sterilizing device for preventing recovery of bacteria in sterilizing liquid with light
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JPH09271772A
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Method of removing impurity from chlorine based disinfectant containing liquid by membrane device
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JPH0924090A
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Electronic ballast for ultraviolet irradiation unit
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JPH08243554A
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Photoirradiation device consisting of photoirradiation module provided with cleaning mechanism
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JPH08243555A
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Photoirradiation device with photoirradiation lamp easy to replace
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JPH06277659A
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Prevention of photoreactivation of bacterium of ultraviolet sterilizing solution
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JPH06134455A
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Method for coagulating photochemically and ionizing microp articulate impurities in liquid
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JPH06134477A
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Ultraviolet-ray treating equipment for treating waste water containing organic component
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