01606nam a2200289 a 4500 BD-KhUET 20121007164857.0 120516s1970 nyua 001 0 eng d 77025524 021022312X DLC DLC DLC BD-KhUET. 621.385 Biswas, Nripendra Nath, 1928- 5069 Principles of telephony / N. N. Biswas. New York ; New Delhi : Asia Pub. House, c1970[Reprinted 1974]. Various pagings : ill. ; 24 cm. Includes index. Telephone, Automatic. 5070 ddc JR 5215 5215 0 0 ddc 0 0 KUETCL KUETCL GEN 1978-06-16 Aligarh Library 50.00 0 621.385 BIS 3010004429 2012-05-16 00:00:00 1 2012-05-16 BK 0 0 ddc 0 0 KUETCL KUETCL GEN 1978-06-15 General Bool Exchange 50.00 0 621.385 BIS 3010006780 2012-07-02 00:00:00 2 2012-07-02 BK 0 0 ddc 0 0 KUETCL KUETCL GEN 1978-06-16 Aligarh Library 50.00 0 621.385 BIS 3010004425 2012-07-03 00:00:00 3 2012-07-03 BK 0 0 ddc 0 0 KUETCL KUETCL GEN 1978-06-16 Aligarh Library 50.00 0 621.385 BIS 3010004426 2012-07-10 00:00:00 4 2012-07-10 BK 0 0 ddc 0 0 KUETCL KUETCL GEN 1978-06-16 DTE 0.00 0 621.385 BIS 3010007513 2012-08-02 00:00:00 5 2012-08-02 BK 0 0 ddc 0 0 KUETCL KUETCL GEN 1978-06-16 DTE 0.00 0 621.385 BIS 3010007512 2012-10-07 00:00:00 6 2012-10-07 BK