00626nacaa22001457u 450000500170000000800410001704100080005811001160006624500930018224600230027526000090029830000270030750001190033465000270045320250408051624.0230503s1952  pk ||ggg|||ooo| 0 eeengdd d  heng  aGovernment of Bengal,bDepartment: Local Self Government,cBranch: Public Health,dList No. 100,eB-Proceedings  aVisiting Lecturers on "Sanitary Engineering"  IV year civil Engineering Class (1951-52).  aFile No.  2E-16/52  c1952  a5 P.cH-35 cm; W-22 cm  aসচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) 

  aSanitary 2Engineering