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JPH04109951A
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Spa device
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JPS63301295A
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Method of thermal cracking of heavy oil
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JPS6348234A
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Production of 2,5-di(chloromethyl)-p-xylene
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JPS62172091A
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Catalytic dewaxing process
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JPS61259004A
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Method of igniting solid fuel
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|
JPS61247781A
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Muddy water adjustor for high-temperature stratum
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JPS61222524A
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Wet waste gas desulfurization method
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JPS61164633A
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Preparation of surface active substance
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JPS61164632A
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Preparation of surface active substance
|
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JPS6119692A
|
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Fuel oil composition
|
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JPS614786A
|
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Method for reforming hydrocarbon fraction
|
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JPS612794A
|
|
Method of improving storage stability of fuel oil
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|
JPS60238129A
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|
Surface active substance and preparation thereof
|
|
JPS60233196A
|
|
Continuous reforming of hydrocarbon fraction
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JPS60199097A
|
|
Method for improving quality of cracked oil
|
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JPS60125264A
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Crushing equipment
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JPS60110787A
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|
Fine fuel powder
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JPS60111804A
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Combustion of pulverized fuel
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JPS6034984A
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Water-soluble substance derived from various carbon source and its production
|
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JPS6035088A
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Method for sulfonating various carbon sources
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