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GB 389-1977 English PDF

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GB 389-1977EnglishRFQ ASK 3 days [Need to translate] Determination of viscosity and temperature indices of lubricating oils Obsolete GB 389-1977

Standard similar to GB 389-1977

GB/T 51033   GB/T 50082   GBZ 234   

Basic data

Standard ID GB 389-1977 (GB389-1977)
Description (Translated English) Determination of viscosity and temperature indices of lubricating oils
Sector / Industry National Standard
Date of Issue 11/1/1977