Alarm notifying device
AssigneesHitachi, Ltd., Hitachi Techno Engineering Co., Ltd., Hitachi Keiyo Engineering & Systems, Ltd.
InventorsHiromitsu Kaneko, Koji Nonaka, Ichiro Takahashi, Seigo Kurokawa, Kiyohiro Nakano, Manabu Fujimoto, Yasuhiko Iwasaki, Kouji Kakuta
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