| 摘要 |
PROBLEM TO BE SOLVED: To provide a vacuum generation device preventing the machine from stopping due to chokes of a condenser body and piping for exhaust gas of a vacuum generation device. SOLUTION: The vacuum generation device comprises the condenser to carry out a reduced-pressure distillation of a gas containing ammonia, and is characterized in that a plurality of magnets are arranged outside the water supply piping to the condenser so as to allow an N polarity and an S polarity to face each other. COPYRIGHT: (C)2009,JPO&INPIT
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