audio and video conferencing systems design and installation of Atlas

by QUAN GUO ZHI NENG JIAN ZHU JI SHU QING BAO WANG ?ZHONG GUO JIAN ZHU SHE JI YAN JIU YUAN JI DIAN YUAN

Paperback

details (United States).

ISBN: 978-7-114-07122-5

ISBN-10: 7-114-07122-1

Unknown · 1991