GB439-1990

Aviation jet engine lubricating oils

航空喷气机润滑油

GB 439-1990 is a current mandatory Chinese national standard for Aviation jet engine lubricating oils. It appears in the Machinery compliance cluster with a energy efficiency focus and has an implementation date of Nov 1, 1991.

Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.