1. Industrial research laboratories of the United States. [lst] ed., 1920
پدیدآورنده :
کتابخانه: Central Library of Campus 1 Technical University of Tehran (Tehran)
موضوع : Research, Industrial--U.S.--Labratories
رده :
R
T
176
.
I65
2. Industrial research laboratories of the United States. [lst] ed., 1920
پدیدآورنده :
کتابخانه: Library of Campus2 Colleges of Engineering of Tehran University (Tehran)
موضوع : Research, Industrial--U.S.--Labratories
رده :
R
T
176
.
I65