| 摘要 |
PROBLEM TO BE SOLVED: To provide a blow-off valve device capable of confirming also in ex post way whether the blow-off valve has worked or not. SOLUTION: The blow-off valve device is provided with a confirmation means 30 by which it is confirmed also in ex post way that the blow-off valve 22 has opened. COPYRIGHT: (C)2005,JPO&NCIPI
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