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JPS62174209A
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Production of swellable substance
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JPS606781A
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Composition for thermal energy storage meaterial and its preparation
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JPS58204861A
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Manufacture of cement admixing agent
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JPS58204083A
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Cold heat-storage material
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JPS58204082A
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Cold heat-storage material
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JPS58204084A
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Cold heat-storage material
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JPS58122935A
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Preparation of foamed bead
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JPS57135853A
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Hydrogel
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JPS56144745A
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Water absorbing agent
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JPS56143230A
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Agent for upgrading salt resistance of anionic water-absorptive resin
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JPS56143244A
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Method of improving salt resistance of water-absorbing resin
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JPS56144744A
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Water absorbing agent
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JPS56144743A
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Water absorbing agent
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JPS5684779A
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Water retaining material as bog moss substitute
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JPS5684946A
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Water absorbing and water holding material
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JPS5684778A
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Water absorbing and retaining material
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JPS5611726A
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Plant cultivating vessel
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JPS5611721A
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Water retaining method of plant cultivating bed
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JPS5611722A
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Water retaining method of plant cultivating bed
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JPS5611723A
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Bed material for cultivating plant
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