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1.	Image from Google Jackets	Principles of telephony by Biswas N. N Material type: Text; Format: print ; Literary form: Not fiction Language: ENG Publication details: NULL ; Radiant Books ; 1992 Availability: Items available for loan: Rajarambapu Institute of Technology, Rajaramnagar (1). Place hold Save to lists Add to cart (remove)
2.	Image from Google Jackets	Principles of telephony. by Biswas N. N Material type: Text; Format: print ; Literary form: Not fiction Language: ENG Publication details: NULL ; Radiant Books. ; 1991 Availability: Items available for loan: Rajarambapu Institute of Technology, Rajaramnagar (1). Place hold Save to lists Add to cart (remove)
3.	Image from Google Jackets	Principles of telephony. by Biswas N. N Material type: Text; Format: print ; Literary form: Not fiction Language: ENG Publication details: Bangalor ; Radlant Books ; 1999 Availability: Items available for loan: Rajarambapu Institute of Technology, Rajaramnagar (5)Call number: 621.381, ... Place hold Save to lists Add to cart (remove)

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