Principles of Lubrication
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Complete catalog record
Category: Petroleum Industry
Subcategory: B&W
Type: Slide Film
Format code: 16sd
Subcategory: B&W
Type: Slide Film
Format code: 16sd
Sources
- Index of Training Films 1946 — title, length, format, sound, catalog record
- Wikidata · Q120518199 ↗
Record added 2026-07-09 22:54:29