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Nôi dung nghiên cứu thiết kế tổng đài điện thoại nội bộ, tự động reset khi có lỗi trong lúc hoạt động, hệ thống báo bận hoặc lỗi cho từng thuê bao, đèn báo xung nhập...

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Detaylı Bibliyografya
Yazar:	Phạm, Văn Tấn
Materyal Türü:	Kitap
Dil:	Undetermined
Baskı/Yayın Bilgisi:	Cần Thơ Trường Đại học Cần Thơ 2000
Konular:	Telephone directory assistance,Điện thoại,Hỗ trợ danh bạ điện thoại,Telephone thiết kế,Design
Etiketler:	Etiketle Etiket eklenmemiş, İlk siz ekleyin!

Thư viện lưu trữ:	Trung tâm Học liệu Trường Đại học Cần Thơ

Notice: fwrite(): write of 697 bytes failed with errno=28 No space left on device in C:\vufind\module\VuFind\src\VuFind\Session\File.php on line 152
Cannot write session to C:\Windows\TEMP\vufind_sessions/sess_lhgi08a52mhmfkaphm0e02fhk3
Warning: session_write_close(): Failed to write session data using user defined save handler. (session.save_path: \xampp\tmp) in C:\vufind\vendor\laminas\laminas-session\src\SessionManager.php on line 235

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