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JP2000106768A
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System and method for paddy field level control
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JPH09268287A
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Grout mortar
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JPH09157646A
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Production of solidifying materail-bentonite injecting solution and powder for producing the same injecting solution
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JPH0988058A
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Ground improvement method
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JPH0988047A
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Method for burying underground pipe
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JPH08311447A
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Grout for ground
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JPH08126064A
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Operation ornaments for automobile or the like and operating method of automobile or the like using th ornaments
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JPH07238283A
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Mudding material for civil enginerring
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JPH07233696A
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Anti-friction material for propulsion process and propulsion process
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JPH06339602A
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Flocculating agent
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JPH06183571A
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Vertical silo
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JPH05339564A
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Slurrying material for civil engineering
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