1. Inventions
Author: /by H. Stafford Hatfield.
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: اختراعات
Classification :
T
۱۹
/
الف
۵
الف
۸ ۱۳۱۹
2. Inventions and their uses in science today
Author: By H. Stafford Hatfield
Library: Library of Faculty Literature of University of Tehran (Tehran)
Subject: Inventions.
3. The inventor and his world
Author: by H. Stafford Hatfield
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Inventors,Inventions
Classification :
T
212
.
H4
1948
