| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a closet drain-board with Bincho charcoal having moisture prevention effect/humidity control effect or insect prevention effect used for the closet drain-board. SOLUTION: A closet drain-board with Bincho charcoal is so constituted that a charcoal storage section 3 is provided in one of a void part 2 in a closet drain-board 1 and that Bincho charcoal 4 is kept in the closed drain-board.</p> |
