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Online Public Access Catalogue

题名/责任者:

International Telegraph and Telephone Consultative Committee : Red book / C. C. I. T. T.

出版发行项:

March : International Telecommunication Union, 1960.

载体形态项:

v. : ill. ; 26 cm.

中图法分类号:

TN92

杜威等其它类号:

G11

一般附注:

v. III. Line transmission and protection.

一般附注:

v. VII. Telegraph technique and data transmission.

一般附注:

v. IV. Maintenance.

一般附注:

v. VI. Telephone signalling and switching.

一般附注:

library has: v. 3, 4, 6, 7.

豆瓣简介：