1.91 צפיות
This color educational film is about how lubricants are derived from crude petroleum and how to improve the quality of lubricating oil. This is a 1949 film.
לְשַׁחְרֵר: Aug 19, 1949
זמן ריצה: 22 דקות
שפה:
סטוּדִיוֹ: Jerry Fairbanks Productions
מדינה: United States of America
ללהק: Ken Carpenter, Stan Freberg