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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 443-1989 |
Lubricating oils for total loss systems L-AN L-AN全损耗系统用油 |
China National Standards Lubricating oils total |
 English PDF |
| GB/T 9170-1988 |
Lubricating oils and fueloils--Determination of total nitrogen--Modified Kjeldahl method 润滑油及燃料油中总氮含量测定法(改进的克氏法) |
China National Standards Lubricating oils total |
English PDF |
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