| 摘要 |
PROBLEM TO BE SOLVED: To provide a dropping undiluted solution preparation apparatus supplying the dropping undiluted solution containing no bubbles into ammonia water. SOLUTION: This dropping undiluted solution preparation apparatus is provided with a dropping undiluted solution preparation tank, an agitator agitating the preparation tank, and a vacuum pump decompressing the preparation tank. COPYRIGHT: (C)2006,JPO&NCIPI
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