TY  - GEN
ED  - Government of Bengal
TI  - Rules regarding the grant of patents to Govt. servants engaged in scientific & technical research. 
PY  - 1932///
KW  - scientific
KW  - technical
N1  - সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) 


ER  -