TY  - GEN
ED  - Government of East Bengal and East Pakistan
TI  - Use of Codes and Ciphers not approved on issued by Joint Cypher Bureau. 
PY  - 1951///
KW  - Use
KW  - Code
N1  - সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) 


ER  -