Kini idiwọn ti ifibọ okun waya, ati kini awọn ibeere fun awọn ohun elo aise?
Okun waya ifibọ okeere boṣewa Ni ibamu si DIN8140, MS21209, N913/N926A/N926B/N926C (GE pataki), 1301-SCT 149+ Uen (Ericsson pataki), BS 7752 (UK), MO-44421 (Toshiba Japan) ohun. .
wo apejuwe awọn