JPS6016149B
KONISHI HIROSHI, SATO TAKAAKI, SAKAMOTO KONOSUKE, NARIAI IZUMI, MATSUO JUJI, TAKEISHI KAZUO, ITO HIROYASU
Year of Publication 24.04.1985
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Year of Publication 24.04.1985
Patent
SYSTEM FOR RELIEVING CALL OF ATTENDANT BOARD
YAMADA MAKOTO, MORISHITA TADAO, NARIAI IZUMI, NAKAYAMA SABUROU, SATOU TAKAAKI, MATSUO YUUJI
Year of Publication 09.06.1982
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Year of Publication 09.06.1982
Patent