00714nam a2200205Ia 450000500170000000800410001702000180005804100080007608200090008410000180009324500320011125000060014326400310014930000260018052001480020665000060035465500160036099900190037695201130039520260922095915.0260922s9999    xx            000 0 und d  a979-534-343-2  aind  a600.1 aBASSETT, John10aRahasia di balikb: Telepon  a1  aBandung bPakar Rayac2006  a31 hlm.bilus.c29 cm  aBerisi sejarah telekomunikasi dan pengiriman pesan, di dalam pesawat telepon, Mesin Fax, Telepon Umum, Internet dan masa depan telekomunikasi.  4a0  aGrade 10-12  c222738d222738  00104070a054cGENd2009-10-21g35000.00l0o600. BAS r.tp0540900666r2026-09-22 02:59:15w2026-09-22yBK