1956AD Air-rotor drill. 250.000 RPM Dr robert borden
1956 A.D. Air-rotor drill, 250,000 RPM Dr. Robert Borden
Stomatology in China before 1949 West China University (1910 Shanghai Second University (1920) 4th Military Medical University (1935) Beijing University (1943
Stomatology in China before 1949 • West China University (1910) • Shanghai Second University(1920) • 4 th Military Medical University(1935) • Beijing University(1943)
立北京大學總辦事 北京大学总办事处大门 利特伯 West China University 1918 School1910) 、伯特利医院建于190年 Shanghai Second University
Shanghai Second University West China University 1918(School 1910)
The first dental school in china was founded in West china Medical University in 1917 A W. Lindsay
The first dental school in China was founded in West China Medical University in 1917. A.W. Lindsay
A W. Lindsay was teaching
A. W. Lindsay was teaching