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