| 摘要 |
PROBLEM TO BE SOLVED: To increase the deodorizing amount for rising smell without electricity or the like by thinly applying diatomaceous earth to the surface of a plaster board. SOLUTION: In this deodorizing board, diatomaceous earth is thinly applied to the plaster board of a ceiling or the like, thereby adsorbing rising smell and deodorizing the same. Electric energy or the like is not used at all to achieve economical effect. COPYRIGHT: (C)2011,JPO&INPIT
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