TY  - GEN
ED  - Government of Bengal,
TI  - Rules regulating the grant of patents to the Govt. Servants engaged in scientific & technical research. 
PY  - 1934///
KW  - Rules regulating
N1  - সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) 


ER  -