TY  - GEN
ED  - Government of East Bengal
TI  - Declaration of British India to be a convention country for the purpose of all the Provisions of the United kingdom patents and Designs Act, 1907. 
PY  - 1938///
KW  - Declaration
KW  - convention
N1  - সচিবালয় রেকর্ড রুম সংগ্রহ ( প্রথম পর্যায়)
ER  -