TY - GEN ED - Government of Bengal TI - Retention of the temporary establishment for the Calcutta P.H. Laboratory for the examination of Jute mill water supplies. PY - 1930/// KW - Retention KW - establishment N1 - সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) ER -