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JPS5993889A
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Method for synthesizing organic compound by electrolysis
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JPS57117795A
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Method of exchanging heat between geothermal water and fresh water
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JPS57117794A
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Method of exchanging heat between geothermal water and fresh water
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JPS5623290A
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Method of electrolytic synthesis of organic compound
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JPS54156693A
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Hydrogen detector for structure made of metal
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JPS54114410A
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Production of metal aluminium
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JPS54109075A
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Manufacture of sodium hydroxide and sulfur from sodium sulfide
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JPS53123840A
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Primary cell
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JPS53123841A
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Secondary battery
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JPS53123839A
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Primary cell
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JPS53123838A
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Primary cell
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JPS5348595A
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Silverrsilver oxide comparation electrode
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JPS5318499A
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Process for preparing sodium hydroxide
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JPS52131789A
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Organic electrolyte for detecting hydrogen and detector
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JPS52121388A
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Electrolyte and apparatus for detecting hydrogen
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JPS5260185A
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Detector for hydrogen dissolved in metal
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JPS5260184A
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Method of measuring content of hydrogen in metal
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JPS5260177A
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Method of testing cracks caused by hydrogen in metal
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