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INTRODUCTION TO AUTOMATIC TELEPHONY

by DAS,P.N.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: CALCUTTA Modern Book Agency Availability: Items available for loan: (1).

LINE TELEGRAPHY

by DAS,P.N.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: CALCUTTA Modern Book Agency Availability: Items available for loan: (3).

Introduction to Manual Telephony

by Das, P. N.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: CALCUTTA Modern Book Agency 1973Availability: Items available for loan: [Call number: 621.385 D229] (5).

Introduction to Automatic Telephony

by Das, P, N.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: CALCUTTA Modern Book Agency 1969Availability: Items available for loan: [Call number: 621.385 D229] (2).

Carrier Current Engineering : Including Long Distance Telephony

by Das, P, N.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: CALCUTTA MOD BOOK AGENCY 1968Availability: Items available for loan: [Call number: 621.385 D229] (1).

Introduction to Manual Telephony

by Das, P. N.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: CALCUTTA Modern Book Agency 1978Availability: Items available for loan: [Call number: 621.385 D229] (1).

LINE TELEGRAPHY

by DAS,P.N.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: CALCUTTA Modern Book Agency 1974Availability: Items available for loan: [Call number: 621.382 D229L] (2).

Carrier Current Engineering

by Das, P N.

Edition: 3rdMaterial type: book Book; Format: print ; Literary form: Not fiction Publisher: Calcutta Modern Book Agency 1977Availability: Items available for loan: [Call number: 621.382 D229C] (1).

Introduction to manual Telephony

by Das, P.N.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Culcutta Modern Book Agency 1978Availability: Items available for loan: [Call number: 621.385 D229I] (1).

Carrier Current Engineering: Including Long Distance Telephony

by Das, P. N.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Calcutta Modern Book Agency 1977Availability: Items available for loan: [Call number: 621.382 D229C] (1).

Electronic Devices and Their Applications

by Das, P N.

Edition: 2ndMaterial type: book Book; Format: print ; Literary form: Not fiction Publisher: New Delhi Oxford & IBH 1980Availability: Items available for loan: [Call number: 621.3811 D229E] (1).

Introduction to Manual Telephony

by Das, P N.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Calcutta Modern Book Agency Privete Ltd 1978Availability: Items available for loan: [Call number: 621.385 D229I] (1).