| 摘要 |
PROBLEM TO BE SOLVED: To provide a ceramic porous built-in hydrospace nursery bed making it possible to easily plant seedlings in the ground or in the bottom of the sea, river, lake, pond or the like. SOLUTION: The ceramic porous built-in hydrospace nursery bed comprises an aluminum casting nursery bed where a ceramic porous filter is built in to make use of its function. COPYRIGHT: (C)2003,JPO
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