Research report on engine oil performance classification
By: sponsored by Section 1 on Engine Oils of Technical Division B on Automotive Lubricants of ASTM Committee D-2 on Petroleum Products and Lubricants.
Publisher: ASTM
Published: 1973
Place of publication: Philadelphia
Language: eng
Number of pages: 14
Subjects: Lubricating oils -- Testing.; Internal combustion engines -- Lubrication.; Diesel motor -- Lubrication.
Other titles: Engine oil performance classification.
Notes: Cover title.

"ASTM approved, but not a standard."