VOICE ARRIVAL CONFIRMATION SYSTEM AND VOICE ARRIVAL CONFIRMATION METHOD
OTSUYOSHI KIYOSHI, AKIYAMA HIYOYUKI, HARADA TSUTOMU, NISHISAKO YASUTAKA, OYAMA SHIGERU, AZUMA KOSEI, MYOJIN MASANORI, FUKUMOTO NAOKI, IWATA YUKI
Year of Publication 10.01.2019
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Year of Publication 10.01.2019
Patent