TY - GEN ED - Government of Bengal, TI - General instructions for regulating the grant of Permission for the taking out of Patents by govt. servants whose duties involve the carrying out of Scientific research. PY - 1934/// KW - General instructions N1 - সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) ER -