GENEVA, April 6 -- HITACHI, LTD. (6-6, Marunouchi 1-chome, Chiyoda-ku, Tokyo1008280), 株式会社日立製作所 (東京都千代田区丸の内一丁目６番６号), HITACHI BUILDING SYSTEMS CO., LTD. (2-101, Kandaawaji-cho, Chiyoda-ku, Tokyo1018941), 株式会社日立ビルシステム (東京都千代田区神田淡路町二丁目１０１番地) filed a patent application (PCT/JP2023/035664) for "LANDING DOOR AND ELEVATOR" on Sep 29, 2023. With publ...
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