UNDERGROUND CLEANING DEVICE AND CLEANING METHOD FOR EXISTING UNDERGROUND STRUCTURE
SATO RYOKO, KUROSAWA KIMIO, KUREBAYASHI RYOSUKE, YUMOTO TAKAYUKI, SUZUKI HIROSHI, MACHIDA SATOSHI, KUDO KOJI, HOMMA KAZUTO, OSAWA HIDEO, MAEDA MAKOTO, HOSOKOSHIZAWA TAMOTSU
Year of Publication 13.08.2020
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Year of Publication 13.08.2020
Patent
UNDERWATER PHOTOGRAPHING APPARATUS AND UNDERWATER PHOTOGRAPHING METHOD
SATO RYOKO, KUROSAWA KIMIO, KUREBAYASHI RYOSUKE, YUMOTO TAKAYUKI, SUZUKI HIROSHI, MACHIDA SATOSHI, KUDO KOJI, HOMMA KAZUTO, OSAWA HIDEO, MAEDA MAKOTO, HOSOKOSHIZAWA TAMOTSU
Year of Publication 13.08.2020
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Year of Publication 13.08.2020
Patent