TY  - GEN
ED  - Government of East Bengal & East Pakistan,
TI  - Telephone Exchanges at different stations in Bengal with facilities. 
PY  - 1936///
KW  - Telephone Exchanges
N1  - সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) 


ER  -