Administrative approval to the Installation of Thermostats for the Protection of Record Rooms against fire.
File No.5B-9/30
- 1930
- 14 p. H-35 cm; W-22 cm.
সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম ফেইজ)
Administrative approval to the Installation of Thermostats --The Protection of Record Rooms against fire.--1930