1983	・	Business Phones 24E and 50E
	1985	・	Business Phone E Super Series
	1987	・	Business Phone E Super Series VII
		・	Digital Business Phone [Alpha] Series
	1988	・	Business Phone E ID Card Series
	1989	・	Business Phone E VS Series Model S
		・	Digital Business Phone HD Series
		・	Digital Business Phone [Alpha] Hybrid
	1990	・	Digital Business Phone [Alpha]II Series
		・	Digital Business Phone [Alpha]II Hybrid
		・	Business Phone E VS Series Model M
		・	Business Phone E ID Card II Series
		・	Digital Business Phone HDII Series
		・	Cordless Business Phone "Long Bus"
	1992	・	Recome Business Phone VSII
		・	Digital Business Phone [Alpha] EX Series
		・	Digital Business Phone [Alpha] EX Hybrid
	1993	・	Digital Business Phone [Alpha] HX Series
	1994	・	Digital Business Phone HD III Series
		・	Digital Business Phone [Alpha] EX Series, Model S

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museum@mod.hqs.ntt.jp